Home / 87,528.82-131,260.02-28,348.60

Finding the Fourth Proportional to 87,528.82, 131,260.02 and 28,348.60

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Solution

The fourth proportional to 87,528.82, 131,260.02 and 28,348.60 is: 42,512.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.82 : 131,260.02 = 28,348.60 : x
  2. Step 2: Convert to fraction form
    87,528.82/131,260.02 = 28,348.60/x
  3. Step 3: Cross multiply
    87,528.82x = 131,260.02 × 28,348.60
  4. Step 4: Simplify right side
    87,528.82x = 3,721,037,802.97
  5. Step 5: Solve for x
    x = 3,721,037,802.97/87,528.82
  6. Step 6: Final answer
    x = 42,512.14

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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.