Home / 28,839.68-43,259.52-12,195.39

Finding the Fourth Proportional to 28,839.68, 43,259.52 and 12,195.39

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Solution

The fourth proportional to 28,839.68, 43,259.52 and 12,195.39 is: 18,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.68 : 43,259.52 = 12,195.39 : x
  2. Step 2: Convert to fraction form
    28,839.68/43,259.52 = 12,195.39/x
  3. Step 3: Cross multiply
    28,839.68x = 43,259.52 × 12,195.39
  4. Step 4: Simplify right side
    28,839.68x = 527,566,717.61
  5. Step 5: Solve for x
    x = 527,566,717.61/28,839.68
  6. Step 6: Final answer
    x = 18,293.09

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Similar ratio
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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.