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Finding the Fourth Proportional to 22,641.73, 31,246.16 and 12,571.81

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Solution

The fourth proportional to 22,641.73, 31,246.16 and 12,571.81 is: 17,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.73 : 31,246.16 = 12,571.81 : x
  2. Step 2: Convert to fraction form
    22,641.73/31,246.16 = 12,571.81/x
  3. Step 3: Cross multiply
    22,641.73x = 31,246.16 × 12,571.81
  4. Step 4: Simplify right side
    22,641.73x = 392,820,645.78
  5. Step 5: Solve for x
    x = 392,820,645.78/22,641.73
  6. Step 6: Final answer
    x = 17,349.41

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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.