Home / 28,769.38-43,179.78-14,738.96

Finding the Fourth Proportional to 28,769.38, 43,179.78 and 14,738.96

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Solution

The fourth proportional to 28,769.38, 43,179.78 and 14,738.96 is: 22,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.38 : 43,179.78 = 14,738.96 : x
  2. Step 2: Convert to fraction form
    28,769.38/43,179.78 = 14,738.96/x
  3. Step 3: Cross multiply
    28,769.38x = 43,179.78 × 14,738.96
  4. Step 4: Simplify right side
    28,769.38x = 636,425,213.45
  5. Step 5: Solve for x
    x = 636,425,213.45/28,769.38
  6. Step 6: Final answer
    x = 22,121.62

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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.