Home / 25,608.95-38,419.07-7,839.74

Finding the Fourth Proportional to 25,608.95, 38,419.07 and 7,839.74

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Solution

The fourth proportional to 25,608.95, 38,419.07 and 7,839.74 is: 11,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.95 : 38,419.07 = 7,839.74 : x
  2. Step 2: Convert to fraction form
    25,608.95/38,419.07 = 7,839.74/x
  3. Step 3: Cross multiply
    25,608.95x = 38,419.07 × 7,839.74
  4. Step 4: Simplify right side
    25,608.95x = 301,195,576.69
  5. Step 5: Solve for x
    x = 301,195,576.69/25,608.95
  6. Step 6: Final answer
    x = 11,761.34

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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.