Home / 25,679.24-35,442-16,615.76

Finding the Fourth Proportional to 25,679.24, 35,442 and 16,615.76

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Solution

The fourth proportional to 25,679.24, 35,442 and 16,615.76 is: 22,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.24 : 35,442 = 16,615.76 : x
  2. Step 2: Convert to fraction form
    25,679.24/35,442 = 16,615.76/x
  3. Step 3: Cross multiply
    25,679.24x = 35,442 × 16,615.76
  4. Step 4: Simplify right side
    25,679.24x = 588,895,765.92
  5. Step 5: Solve for x
    x = 588,895,765.92/25,679.24
  6. Step 6: Final answer
    x = 22,932.76

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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.