Home / 20,546.38-28,304.80-19,545.85

Finding the Fourth Proportional to 20,546.38, 28,304.80 and 19,545.85

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Solution

The fourth proportional to 20,546.38, 28,304.80 and 19,545.85 is: 26,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.38 : 28,304.80 = 19,545.85 : x
  2. Step 2: Convert to fraction form
    20,546.38/28,304.80 = 19,545.85/x
  3. Step 3: Cross multiply
    20,546.38x = 28,304.80 × 19,545.85
  4. Step 4: Simplify right side
    20,546.38x = 553,241,375.08
  5. Step 5: Solve for x
    x = 553,241,375.08/20,546.38
  6. Step 6: Final answer
    x = 26,926.46

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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.