Home / 28,930.38-43,369.29-11,410.62

Finding the Fourth Proportional to 28,930.38, 43,369.29 and 11,410.62

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Solution

The fourth proportional to 28,930.38, 43,369.29 and 11,410.62 is: 17,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.38 : 43,369.29 = 11,410.62 : x
  2. Step 2: Convert to fraction form
    28,930.38/43,369.29 = 11,410.62/x
  3. Step 3: Cross multiply
    28,930.38x = 43,369.29 × 11,410.62
  4. Step 4: Simplify right side
    28,930.38x = 494,870,487.86
  5. Step 5: Solve for x
    x = 494,870,487.86/28,930.38
  6. Step 6: Final answer
    x = 17,105.56

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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.