Home / 18,380.44-27,555.24-15,251.68

Finding the Fourth Proportional to 18,380.44, 27,555.24 and 15,251.68

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Solution

The fourth proportional to 18,380.44, 27,555.24 and 15,251.68 is: 22,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.44 : 27,555.24 = 15,251.68 : x
  2. Step 2: Convert to fraction form
    18,380.44/27,555.24 = 15,251.68/x
  3. Step 3: Cross multiply
    18,380.44x = 27,555.24 × 15,251.68
  4. Step 4: Simplify right side
    18,380.44x = 420,263,702.80
  5. Step 5: Solve for x
    x = 420,263,702.80/18,380.44
  6. Step 6: Final answer
    x = 22,864.72

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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.