Home / 31,727.84-43,789.01-18,296.42

Finding the Fourth Proportional to 31,727.84, 43,789.01 and 18,296.42

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Solution

The fourth proportional to 31,727.84, 43,789.01 and 18,296.42 is: 25,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.84 : 43,789.01 = 18,296.42 : x
  2. Step 2: Convert to fraction form
    31,727.84/43,789.01 = 18,296.42/x
  3. Step 3: Cross multiply
    31,727.84x = 43,789.01 × 18,296.42
  4. Step 4: Simplify right side
    31,727.84x = 801,181,807.92
  5. Step 5: Solve for x
    x = 801,181,807.92/31,727.84
  6. Step 6: Final answer
    x = 25,251.70

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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.