Finding the Fourth Proportional to 58.56, 87.84 and 25.65
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Solution
The fourth proportional to 58.56, 87.84 and 25.65 is: 38.48
Step by Step Solution
- Step 1: Write the proportion equation
58.56 : 87.84 = 25.65 : x - Step 2: Convert to fraction form
58.56/87.84 = 25.65/x - Step 3: Cross multiply
58.56x = 87.84 × 25.65 - Step 4: Simplify right side
58.56x = 2,253.17 - Step 5: Solve for x
x = 2,253.17/58.56 - Step 6: Final answer
x = 38.48
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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.