Home / 22,717.24-31,349.42-12,781.24

Finding the Fourth Proportional to 22,717.24, 31,349.42 and 12,781.24

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Solution

The fourth proportional to 22,717.24, 31,349.42 and 12,781.24 is: 17,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.24 : 31,349.42 = 12,781.24 : x
  2. Step 2: Convert to fraction form
    22,717.24/31,349.42 = 12,781.24/x
  3. Step 3: Cross multiply
    22,717.24x = 31,349.42 × 12,781.24
  4. Step 4: Simplify right side
    22,717.24x = 400,684,460.88
  5. Step 5: Solve for x
    x = 400,684,460.88/22,717.24
  6. Step 6: Final answer
    x = 17,637.90

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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.