Home / 23,128.97-34,657.11-17,876.84

Finding the Fourth Proportional to 23,128.97, 34,657.11 and 17,876.84

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Solution

The fourth proportional to 23,128.97, 34,657.11 and 17,876.84 is: 26,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.97 : 34,657.11 = 17,876.84 : x
  2. Step 2: Convert to fraction form
    23,128.97/34,657.11 = 17,876.84/x
  3. Step 3: Cross multiply
    23,128.97x = 34,657.11 × 17,876.84
  4. Step 4: Simplify right side
    23,128.97x = 619,559,347.66
  5. Step 5: Solve for x
    x = 619,559,347.66/23,128.97
  6. Step 6: Final answer
    x = 26,787.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.