Home / 28,732.20-43,005.96-15,371.86

Finding the Fourth Proportional to 28,732.20, 43,005.96 and 15,371.86

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Solution

The fourth proportional to 28,732.20, 43,005.96 and 15,371.86 is: 23,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.20 : 43,005.96 = 15,371.86 : x
  2. Step 2: Convert to fraction form
    28,732.20/43,005.96 = 15,371.86/x
  3. Step 3: Cross multiply
    28,732.20x = 43,005.96 × 15,371.86
  4. Step 4: Simplify right side
    28,732.20x = 661,081,596.29
  5. Step 5: Solve for x
    x = 661,081,596.29/28,732.20
  6. Step 6: Final answer
    x = 23,008.39

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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.