Home / 87,637.84-131,468.60-28,454.32

Finding the Fourth Proportional to 87,637.84, 131,468.60 and 28,454.32

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Solution

The fourth proportional to 87,637.84, 131,468.60 and 28,454.32 is: 42,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,637.84 : 131,468.60 = 28,454.32 : x
  2. Step 2: Convert to fraction form
    87,637.84/131,468.60 = 28,454.32/x
  3. Step 3: Cross multiply
    87,637.84x = 131,468.60 × 28,454.32
  4. Step 4: Simplify right side
    87,637.84x = 3,740,849,614.35
  5. Step 5: Solve for x
    x = 3,740,849,614.35/87,637.84
  6. Step 6: Final answer
    x = 42,685.32

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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.