[tex]\bf \begin{array}{ccll}
\stackrel{basic}{recipe}&people\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1&8\\
r&32
\end{array}\implies \cfrac{1}{r}=\cfrac{8}{32}\implies \cfrac{1\cdot 32}{8}=r[/tex]
so, 4 time as much the recipe, or 4 times as much of each ingredient.