Home / 18,964.56-28,397.16-15,024.72

Finding the Fourth Proportional to 18,964.56, 28,397.16 and 15,024.72

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Solution

The fourth proportional to 18,964.56, 28,397.16 and 15,024.72 is: 22,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.56 : 28,397.16 = 15,024.72 : x
  2. Step 2: Convert to fraction form
    18,964.56/28,397.16 = 15,024.72/x
  3. Step 3: Cross multiply
    18,964.56x = 28,397.16 × 15,024.72
  4. Step 4: Simplify right side
    18,964.56x = 426,659,377.80
  5. Step 5: Solve for x
    x = 426,659,377.80/18,964.56
  6. Step 6: Final answer
    x = 22,497.72

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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.