Home / 21,976.41-32,982.33-11,449.65

Finding the Fourth Proportional to 21,976.41, 32,982.33 and 11,449.65

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Solution

The fourth proportional to 21,976.41, 32,982.33 and 11,449.65 is: 17,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.41 : 32,982.33 = 11,449.65 : x
  2. Step 2: Convert to fraction form
    21,976.41/32,982.33 = 11,449.65/x
  3. Step 3: Cross multiply
    21,976.41x = 32,982.33 × 11,449.65
  4. Step 4: Simplify right side
    21,976.41x = 377,636,134.68
  5. Step 5: Solve for x
    x = 377,636,134.68/21,976.41
  6. Step 6: Final answer
    x = 17,183.70

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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.