Home / 87,824.28-131,754.78-28,663.32

Finding the Fourth Proportional to 87,824.28, 131,754.78 and 28,663.32

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Solution

The fourth proportional to 87,824.28, 131,754.78 and 28,663.32 is: 43,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.28 : 131,754.78 = 28,663.32 : x
  2. Step 2: Convert to fraction form
    87,824.28/131,754.78 = 28,663.32/x
  3. Step 3: Cross multiply
    87,824.28x = 131,754.78 × 28,663.32
  4. Step 4: Simplify right side
    87,824.28x = 3,776,529,420.67
  5. Step 5: Solve for x
    x = 3,776,529,420.67/87,824.28
  6. Step 6: Final answer
    x = 43,000.97

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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.