Home / 25,203.78-34,781.82-13,873.92

Finding the Fourth Proportional to 25,203.78, 34,781.82 and 13,873.92

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Solution

The fourth proportional to 25,203.78, 34,781.82 and 13,873.92 is: 19,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.78 : 34,781.82 = 13,873.92 : x
  2. Step 2: Convert to fraction form
    25,203.78/34,781.82 = 13,873.92/x
  3. Step 3: Cross multiply
    25,203.78x = 34,781.82 × 13,873.92
  4. Step 4: Simplify right side
    25,203.78x = 482,560,188.13
  5. Step 5: Solve for x
    x = 482,560,188.13/25,203.78
  6. Step 6: Final answer
    x = 19,146.34

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Why These Related Problems?

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