Home / 21,823.85-32,722.38-8,481.27

Finding the Fourth Proportional to 21,823.85, 32,722.38 and 8,481.27

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Solution

The fourth proportional to 21,823.85, 32,722.38 and 8,481.27 is: 12,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,823.85 : 32,722.38 = 8,481.27 : x
  2. Step 2: Convert to fraction form
    21,823.85/32,722.38 = 8,481.27/x
  3. Step 3: Cross multiply
    21,823.85x = 32,722.38 × 8,481.27
  4. Step 4: Simplify right side
    21,823.85x = 277,527,258.02
  5. Step 5: Solve for x
    x = 277,527,258.02/21,823.85
  6. Step 6: Final answer
    x = 12,716.69

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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.