Home / 28,939.87-43,423.31-10,234.07

Finding the Fourth Proportional to 28,939.87, 43,423.31 and 10,234.07

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Solution

The fourth proportional to 28,939.87, 43,423.31 and 10,234.07 is: 15,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.87 : 43,423.31 = 10,234.07 : x
  2. Step 2: Convert to fraction form
    28,939.87/43,423.31 = 10,234.07/x
  3. Step 3: Cross multiply
    28,939.87x = 43,423.31 × 10,234.07
  4. Step 4: Simplify right side
    28,939.87x = 444,397,194.17
  5. Step 5: Solve for x
    x = 444,397,194.17/28,939.87
  6. Step 6: Final answer
    x = 15,355.88

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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.