Home / 23,044.16-31,791-15,072.48

Finding the Fourth Proportional to 23,044.16, 31,791 and 15,072.48

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Solution

The fourth proportional to 23,044.16, 31,791 and 15,072.48 is: 20,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.16 : 31,791 = 15,072.48 : x
  2. Step 2: Convert to fraction form
    23,044.16/31,791 = 15,072.48/x
  3. Step 3: Cross multiply
    23,044.16x = 31,791 × 15,072.48
  4. Step 4: Simplify right side
    23,044.16x = 479,169,211.68
  5. Step 5: Solve for x
    x = 479,169,211.68/23,044.16
  6. Step 6: Final answer
    x = 20,793.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.