Home / 87,572.62-131,378.14-28,414.26

Finding the Fourth Proportional to 87,572.62, 131,378.14 and 28,414.26

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Solution

The fourth proportional to 87,572.62, 131,378.14 and 28,414.26 is: 42,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,572.62 : 131,378.14 = 28,414.26 : x
  2. Step 2: Convert to fraction form
    87,572.62/131,378.14 = 28,414.26/x
  3. Step 3: Cross multiply
    87,572.62x = 131,378.14 × 28,414.26
  4. Step 4: Simplify right side
    87,572.62x = 3,733,012,628.28
  5. Step 5: Solve for x
    x = 3,733,012,628.28/87,572.62
  6. Step 6: Final answer
    x = 42,627.62

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1.5x scale

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.