Home / 25,917.44-38,881.17-10,121.82

Finding the Fourth Proportional to 25,917.44, 38,881.17 and 10,121.82

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Solution

The fourth proportional to 25,917.44, 38,881.17 and 10,121.82 is: 15,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.44 : 38,881.17 = 10,121.82 : x
  2. Step 2: Convert to fraction form
    25,917.44/38,881.17 = 10,121.82/x
  3. Step 3: Cross multiply
    25,917.44x = 38,881.17 × 10,121.82
  4. Step 4: Simplify right side
    25,917.44x = 393,548,204.13
  5. Step 5: Solve for x
    x = 393,548,204.13/25,917.44
  6. Step 6: Final answer
    x = 15,184.69

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Why These Related Problems?

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