Home / 21,982.01-32,989.35-13,674.11

Finding the Fourth Proportional to 21,982.01, 32,989.35 and 13,674.11

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Solution

The fourth proportional to 21,982.01, 32,989.35 and 13,674.11 is: 20,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.01 : 32,989.35 = 13,674.11 : x
  2. Step 2: Convert to fraction form
    21,982.01/32,989.35 = 13,674.11/x
  3. Step 3: Cross multiply
    21,982.01x = 32,989.35 × 13,674.11
  4. Step 4: Simplify right side
    21,982.01x = 451,100,000.73
  5. Step 5: Solve for x
    x = 451,100,000.73/21,982.01
  6. Step 6: Final answer
    x = 20,521.33

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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.