Home / 87,856.30-131,792.54-28,692.28

Finding the Fourth Proportional to 87,856.30, 131,792.54 and 28,692.28

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Solution

The fourth proportional to 87,856.30, 131,792.54 and 28,692.28 is: 43,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,856.30 : 131,792.54 = 28,692.28 : x
  2. Step 2: Convert to fraction form
    87,856.30/131,792.54 = 28,692.28/x
  3. Step 3: Cross multiply
    87,856.30x = 131,792.54 × 28,692.28
  4. Step 4: Simplify right side
    87,856.30x = 3,781,428,459.59
  5. Step 5: Solve for x
    x = 3,781,428,459.59/87,856.30
  6. Step 6: Final answer
    x = 43,041.06

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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.