Home / 25,789.97-38,619.30-16,998.23

Finding the Fourth Proportional to 25,789.97, 38,619.30 and 16,998.23

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Solution

The fourth proportional to 25,789.97, 38,619.30 and 16,998.23 is: 25,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.97 : 38,619.30 = 16,998.23 : x
  2. Step 2: Convert to fraction form
    25,789.97/38,619.30 = 16,998.23/x
  3. Step 3: Cross multiply
    25,789.97x = 38,619.30 × 16,998.23
  4. Step 4: Simplify right side
    25,789.97x = 656,459,743.84
  5. Step 5: Solve for x
    x = 656,459,743.84/25,789.97
  6. Step 6: Final answer
    x = 25,454.07

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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.