Home / 23,153.19-31,951.37-12,542.87

Finding the Fourth Proportional to 23,153.19, 31,951.37 and 12,542.87

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Solution

The fourth proportional to 23,153.19, 31,951.37 and 12,542.87 is: 17,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.19 : 31,951.37 = 12,542.87 : x
  2. Step 2: Convert to fraction form
    23,153.19/31,951.37 = 12,542.87/x
  3. Step 3: Cross multiply
    23,153.19x = 31,951.37 × 12,542.87
  4. Step 4: Simplify right side
    23,153.19x = 400,761,657.76
  5. Step 5: Solve for x
    x = 400,761,657.76/23,153.19
  6. Step 6: Final answer
    x = 17,309.13

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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.