Finding the Fourth Proportional to 58.50, 87.76 and 26.44
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Solution
The fourth proportional to 58.50, 87.76 and 26.44 is: 39.66
Step by Step Solution
- Step 1: Write the proportion equation
58.50 : 87.76 = 26.44 : x - Step 2: Convert to fraction form
58.50/87.76 = 26.44/x - Step 3: Cross multiply
58.50x = 87.76 × 26.44 - Step 4: Simplify right side
58.50x = 2,320.19 - Step 5: Solve for x
x = 2,320.19/58.50 - Step 6: Final answer
x = 39.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.