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Finding the Fourth Proportional to 22,542.10, 31,089.22 and 16,890.12

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Solution

The fourth proportional to 22,542.10, 31,089.22 and 16,890.12 is: 23,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.10 : 31,089.22 = 16,890.12 : x
  2. Step 2: Convert to fraction form
    22,542.10/31,089.22 = 16,890.12/x
  3. Step 3: Cross multiply
    22,542.10x = 31,089.22 × 16,890.12
  4. Step 4: Simplify right side
    22,542.10x = 525,100,614.28
  5. Step 5: Solve for x
    x = 525,100,614.28/22,542.10
  6. Step 6: Final answer
    x = 23,294.22

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