Home / 21,537.44-32,297.60-8,387.92

Finding the Fourth Proportional to 21,537.44, 32,297.60 and 8,387.92

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Solution

The fourth proportional to 21,537.44, 32,297.60 and 8,387.92 is: 12,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.44 : 32,297.60 = 8,387.92 : x
  2. Step 2: Convert to fraction form
    21,537.44/32,297.60 = 8,387.92/x
  3. Step 3: Cross multiply
    21,537.44x = 32,297.60 × 8,387.92
  4. Step 4: Simplify right side
    21,537.44x = 270,909,684.99
  5. Step 5: Solve for x
    x = 270,909,684.99/21,537.44
  6. Step 6: Final answer
    x = 12,578.55

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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.