Home / 20,306.30-27,974.46-19,305.74

Finding the Fourth Proportional to 20,306.30, 27,974.46 and 19,305.74

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Solution

The fourth proportional to 20,306.30, 27,974.46 and 19,305.74 is: 26,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.30 : 27,974.46 = 19,305.74 : x
  2. Step 2: Convert to fraction form
    20,306.30/27,974.46 = 19,305.74/x
  3. Step 3: Cross multiply
    20,306.30x = 27,974.46 × 19,305.74
  4. Step 4: Simplify right side
    20,306.30x = 540,067,793.73
  5. Step 5: Solve for x
    x = 540,067,793.73/20,306.30
  6. Step 6: Final answer
    x = 26,596.08

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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.