Home / 25,789.14-38,677.46-18,850.88

Finding the Fourth Proportional to 25,789.14, 38,677.46 and 18,850.88

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Solution

The fourth proportional to 25,789.14, 38,677.46 and 18,850.88 is: 28,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.14 : 38,677.46 = 18,850.88 : x
  2. Step 2: Convert to fraction form
    25,789.14/38,677.46 = 18,850.88/x
  3. Step 3: Cross multiply
    25,789.14x = 38,677.46 × 18,850.88
  4. Step 4: Simplify right side
    25,789.14x = 729,103,869.52
  5. Step 5: Solve for x
    x = 729,103,869.52/25,789.14
  6. Step 6: Final answer
    x = 28,271.74

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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.