Home / 87,224.26-130,753.35-28,018.42

Finding the Fourth Proportional to 87,224.26, 130,753.35 and 28,018.42

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Solution

The fourth proportional to 87,224.26, 130,753.35 and 28,018.42 is: 42,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224.26 : 130,753.35 = 28,018.42 : x
  2. Step 2: Convert to fraction form
    87,224.26/130,753.35 = 28,018.42/x
  3. Step 3: Cross multiply
    87,224.26x = 130,753.35 × 28,018.42
  4. Step 4: Simplify right side
    87,224.26x = 3,663,502,276.71
  5. Step 5: Solve for x
    x = 3,663,502,276.71/87,224.26
  6. Step 6: Final answer
    x = 42,000.96

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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.