Home / 25,375.45-38,077.10-12,896.55

Finding the Fourth Proportional to 25,375.45, 38,077.10 and 12,896.55

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Solution

The fourth proportional to 25,375.45, 38,077.10 and 12,896.55 is: 19,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.45 : 38,077.10 = 12,896.55 : x
  2. Step 2: Convert to fraction form
    25,375.45/38,077.10 = 12,896.55/x
  3. Step 3: Cross multiply
    25,375.45x = 38,077.10 × 12,896.55
  4. Step 4: Simplify right side
    25,375.45x = 491,063,224.01
  5. Step 5: Solve for x
    x = 491,063,224.01/25,375.45
  6. Step 6: Final answer
    x = 19,351.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.