Home / 28,953.62-43,470.28-14,731.70

Finding the Fourth Proportional to 28,953.62, 43,470.28 and 14,731.70

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Solution

The fourth proportional to 28,953.62, 43,470.28 and 14,731.70 is: 22,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.62 : 43,470.28 = 14,731.70 : x
  2. Step 2: Convert to fraction form
    28,953.62/43,470.28 = 14,731.70/x
  3. Step 3: Cross multiply
    28,953.62x = 43,470.28 × 14,731.70
  4. Step 4: Simplify right side
    28,953.62x = 640,391,123.88
  5. Step 5: Solve for x
    x = 640,391,123.88/28,953.62
  6. Step 6: Final answer
    x = 22,117.83

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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.