Home / 25,353.41-34,997.92-15,290.47

Finding the Fourth Proportional to 25,353.41, 34,997.92 and 15,290.47

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Solution

The fourth proportional to 25,353.41, 34,997.92 and 15,290.47 is: 21,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,353.41 : 34,997.92 = 15,290.47 : x
  2. Step 2: Convert to fraction form
    25,353.41/34,997.92 = 15,290.47/x
  3. Step 3: Cross multiply
    25,353.41x = 34,997.92 × 15,290.47
  4. Step 4: Simplify right side
    25,353.41x = 535,134,737.35
  5. Step 5: Solve for x
    x = 535,134,737.35/25,353.41
  6. Step 6: Final answer
    x = 21,107.02

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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.