Home / 25,227.78-34,815.12-13,896.66

Finding the Fourth Proportional to 25,227.78, 34,815.12 and 13,896.66

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Solution

The fourth proportional to 25,227.78, 34,815.12 and 13,896.66 is: 19,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,227.78 : 34,815.12 = 13,896.66 : x
  2. Step 2: Convert to fraction form
    25,227.78/34,815.12 = 13,896.66/x
  3. Step 3: Cross multiply
    25,227.78x = 34,815.12 × 13,896.66
  4. Step 4: Simplify right side
    25,227.78x = 483,813,885.50
  5. Step 5: Solve for x
    x = 483,813,885.50/25,227.78
  6. Step 6: Final answer
    x = 19,177.82

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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.