Home / 28,972.22-43,458.34-15,817.42

Finding the Fourth Proportional to 28,972.22, 43,458.34 and 15,817.42

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Solution

The fourth proportional to 28,972.22, 43,458.34 and 15,817.42 is: 23,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.22 : 43,458.34 = 15,817.42 : x
  2. Step 2: Convert to fraction form
    28,972.22/43,458.34 = 15,817.42/x
  3. Step 3: Cross multiply
    28,972.22x = 43,458.34 × 15,817.42
  4. Step 4: Simplify right side
    28,972.22x = 687,398,668.09
  5. Step 5: Solve for x
    x = 687,398,668.09/28,972.22
  6. Step 6: Final answer
    x = 23,726.13

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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.