Home / 25,168.72-34,732.90-13,839.38

Finding the Fourth Proportional to 25,168.72, 34,732.90 and 13,839.38

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Solution

The fourth proportional to 25,168.72, 34,732.90 and 13,839.38 is: 19,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.72 : 34,732.90 = 13,839.38 : x
  2. Step 2: Convert to fraction form
    25,168.72/34,732.90 = 13,839.38/x
  3. Step 3: Cross multiply
    25,168.72x = 34,732.90 × 13,839.38
  4. Step 4: Simplify right side
    25,168.72x = 480,681,801.60
  5. Step 5: Solve for x
    x = 480,681,801.60/25,168.72
  6. Step 6: Final answer
    x = 19,098.38

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1.5x scale

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.