Home / 25,861.17-38,791.89-10,278.84

Finding the Fourth Proportional to 25,861.17, 38,791.89 and 10,278.84

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Solution

The fourth proportional to 25,861.17, 38,791.89 and 10,278.84 is: 15,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.17 : 38,791.89 = 10,278.84 : x
  2. Step 2: Convert to fraction form
    25,861.17/38,791.89 = 10,278.84/x
  3. Step 3: Cross multiply
    25,861.17x = 38,791.89 × 10,278.84
  4. Step 4: Simplify right side
    25,861.17x = 398,735,630.61
  5. Step 5: Solve for x
    x = 398,735,630.61/25,861.17
  6. Step 6: Final answer
    x = 15,418.31

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1.5x scale

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.