Home / 22,287.04-30,757.12-12,727.76

Finding the Fourth Proportional to 22,287.04, 30,757.12 and 12,727.76

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Solution

The fourth proportional to 22,287.04, 30,757.12 and 12,727.76 is: 17,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.04 : 30,757.12 = 12,727.76 : x
  2. Step 2: Convert to fraction form
    22,287.04/30,757.12 = 12,727.76/x
  3. Step 3: Cross multiply
    22,287.04x = 30,757.12 × 12,727.76
  4. Step 4: Simplify right side
    22,287.04x = 391,469,241.65
  5. Step 5: Solve for x
    x = 391,469,241.65/22,287.04
  6. Step 6: Final answer
    x = 17,564.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.