Home / 25,839-35,652.30-15,224.76

Finding the Fourth Proportional to 25,839, 35,652.30 and 15,224.76

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Solution

The fourth proportional to 25,839, 35,652.30 and 15,224.76 is: 21,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839 : 35,652.30 = 15,224.76 : x
  2. Step 2: Convert to fraction form
    25,839/35,652.30 = 15,224.76/x
  3. Step 3: Cross multiply
    25,839x = 35,652.30 × 15,224.76
  4. Step 4: Simplify right side
    25,839x = 542,797,710.95
  5. Step 5: Solve for x
    x = 542,797,710.95/25,839
  6. Step 6: Final answer
    x = 21,006.92

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1.5x scale

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.