Home / 21,559.25-32,375.66-11,717.75

Finding the Fourth Proportional to 21,559.25, 32,375.66 and 11,717.75

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Solution

The fourth proportional to 21,559.25, 32,375.66 and 11,717.75 is: 17,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.25 : 32,375.66 = 11,717.75 : x
  2. Step 2: Convert to fraction form
    21,559.25/32,375.66 = 11,717.75/x
  3. Step 3: Cross multiply
    21,559.25x = 32,375.66 × 11,717.75
  4. Step 4: Simplify right side
    21,559.25x = 379,369,669.50
  5. Step 5: Solve for x
    x = 379,369,669.50/21,559.25
  6. Step 6: Final answer
    x = 17,596.61

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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.