Finding the Fourth Proportional to 58.59, 87.84 and 26.09
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Solution
The fourth proportional to 58.59, 87.84 and 26.09 is: 39.11
Step by Step Solution
- Step 1: Write the proportion equation
58.59 : 87.84 = 26.09 : x - Step 2: Convert to fraction form
58.59/87.84 = 26.09/x - Step 3: Cross multiply
58.59x = 87.84 × 26.09 - Step 4: Simplify right side
58.59x = 2,291.31 - Step 5: Solve for x
x = 2,291.31/58.59 - Step 6: Final answer
x = 39.11
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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.