Home / 24,711.28-34,101.58-13,380.78

Finding the Fourth Proportional to 24,711.28, 34,101.58 and 13,380.78

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Solution

The fourth proportional to 24,711.28, 34,101.58 and 13,380.78 is: 18,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,711.28 : 34,101.58 = 13,380.78 : x
  2. Step 2: Convert to fraction form
    24,711.28/34,101.58 = 13,380.78/x
  3. Step 3: Cross multiply
    24,711.28x = 34,101.58 × 13,380.78
  4. Step 4: Simplify right side
    24,711.28x = 456,305,739.63
  5. Step 5: Solve for x
    x = 456,305,739.63/24,711.28
  6. Step 6: Final answer
    x = 18,465.48

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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.