Finding the Fourth Proportional to 32, 44.16 and 19.07
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Solution
The fourth proportional to 32, 44.16 and 19.07 is: 26.32
Step by Step Solution
- Step 1: Write the proportion equation
32 : 44.16 = 19.07 : x - Step 2: Convert to fraction form
32/44.16 = 19.07/x - Step 3: Cross multiply
32x = 44.16 × 19.07 - Step 4: Simplify right side
32x = 842.13 - Step 5: Solve for x
x = 842.13/32 - Step 6: Final answer
x = 26.32
Related Problems
Find fourth proportional to 16, 22.08 and 9.54
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.