Home / 21,540.13-32,297.54-8,377.02

Finding the Fourth Proportional to 21,540.13, 32,297.54 and 8,377.02

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Solution

The fourth proportional to 21,540.13, 32,297.54 and 8,377.02 is: 12,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.13 : 32,297.54 = 8,377.02 : x
  2. Step 2: Convert to fraction form
    21,540.13/32,297.54 = 8,377.02/x
  3. Step 3: Cross multiply
    21,540.13x = 32,297.54 × 8,377.02
  4. Step 4: Simplify right side
    21,540.13x = 270,557,096.65
  5. Step 5: Solve for x
    x = 270,557,096.65/21,540.13
  6. Step 6: Final answer
    x = 12,560.61

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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.