Home / 22,789.92-34,139.52-18,117.84

Finding the Fourth Proportional to 22,789.92, 34,139.52 and 18,117.84

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Solution

The fourth proportional to 22,789.92, 34,139.52 and 18,117.84 is: 27,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.92 : 34,139.52 = 18,117.84 : x
  2. Step 2: Convert to fraction form
    22,789.92/34,139.52 = 18,117.84/x
  3. Step 3: Cross multiply
    22,789.92x = 34,139.52 × 18,117.84
  4. Step 4: Simplify right side
    22,789.92x = 618,534,361.04
  5. Step 5: Solve for x
    x = 618,534,361.04/22,789.92
  6. Step 6: Final answer
    x = 27,140.70

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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.