Home / 87,491.54-131,258.22-28,327.28

Finding the Fourth Proportional to 87,491.54, 131,258.22 and 28,327.28

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Solution

The fourth proportional to 87,491.54, 131,258.22 and 28,327.28 is: 42,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,491.54 : 131,258.22 = 28,327.28 : x
  2. Step 2: Convert to fraction form
    87,491.54/131,258.22 = 28,327.28/x
  3. Step 3: Cross multiply
    87,491.54x = 131,258.22 × 28,327.28
  4. Step 4: Simplify right side
    87,491.54x = 3,718,188,350.24
  5. Step 5: Solve for x
    x = 3,718,188,350.24/87,491.54
  6. Step 6: Final answer
    x = 42,497.69

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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.