Home / 25,178.95-34,747.17-13,693.96

Finding the Fourth Proportional to 25,178.95, 34,747.17 and 13,693.96

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Solution

The fourth proportional to 25,178.95, 34,747.17 and 13,693.96 is: 18,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.95 : 34,747.17 = 13,693.96 : x
  2. Step 2: Convert to fraction form
    25,178.95/34,747.17 = 13,693.96/x
  3. Step 3: Cross multiply
    25,178.95x = 34,747.17 × 13,693.96
  4. Step 4: Simplify right side
    25,178.95x = 475,826,356.09
  5. Step 5: Solve for x
    x = 475,826,356.09/25,178.95
  6. Step 6: Final answer
    x = 18,897.79

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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.