Home / 21,538.41-32,294.39-8,375.44

Finding the Fourth Proportional to 21,538.41, 32,294.39 and 8,375.44

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Solution

The fourth proportional to 21,538.41, 32,294.39 and 8,375.44 is: 12,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.41 : 32,294.39 = 8,375.44 : x
  2. Step 2: Convert to fraction form
    21,538.41/32,294.39 = 8,375.44/x
  3. Step 3: Cross multiply
    21,538.41x = 32,294.39 × 8,375.44
  4. Step 4: Simplify right side
    21,538.41x = 270,479,725.78
  5. Step 5: Solve for x
    x = 270,479,725.78/21,538.41
  6. Step 6: Final answer
    x = 12,558.02

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1.5x scale

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.