Home / 20,226.33-30,281.13-16,902.09

Finding the Fourth Proportional to 20,226.33, 30,281.13 and 16,902.09

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Solution

The fourth proportional to 20,226.33, 30,281.13 and 16,902.09 is: 25,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.33 : 30,281.13 = 16,902.09 : x
  2. Step 2: Convert to fraction form
    20,226.33/30,281.13 = 16,902.09/x
  3. Step 3: Cross multiply
    20,226.33x = 30,281.13 × 16,902.09
  4. Step 4: Simplify right side
    20,226.33x = 511,814,384.56
  5. Step 5: Solve for x
    x = 511,814,384.56/20,226.33
  6. Step 6: Final answer
    x = 25,304.36

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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.