Home / 87,528.69-131,265.50-28,350.63

Finding the Fourth Proportional to 87,528.69, 131,265.50 and 28,350.63

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Solution

The fourth proportional to 87,528.69, 131,265.50 and 28,350.63 is: 42,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.69 : 131,265.50 = 28,350.63 : x
  2. Step 2: Convert to fraction form
    87,528.69/131,265.50 = 28,350.63/x
  3. Step 3: Cross multiply
    87,528.69x = 131,265.50 × 28,350.63
  4. Step 4: Simplify right side
    87,528.69x = 3,721,459,480.51
  5. Step 5: Solve for x
    x = 3,721,459,480.51/87,528.69
  6. Step 6: Final answer
    x = 42,517.02

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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.