Home / 18,234.52-27,304.45-15,618.80

Finding the Fourth Proportional to 18,234.52, 27,304.45 and 15,618.80

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Solution

The fourth proportional to 18,234.52, 27,304.45 and 15,618.80 is: 23,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.52 : 27,304.45 = 15,618.80 : x
  2. Step 2: Convert to fraction form
    18,234.52/27,304.45 = 15,618.80/x
  3. Step 3: Cross multiply
    18,234.52x = 27,304.45 × 15,618.80
  4. Step 4: Simplify right side
    18,234.52x = 426,462,772.87
  5. Step 5: Solve for x
    x = 426,462,772.87/18,234.52
  6. Step 6: Final answer
    x = 23,387.66

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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.