Home / 21,974.80-32,962.20-8,836.60

Finding the Fourth Proportional to 21,974.80, 32,962.20 and 8,836.60

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Solution

The fourth proportional to 21,974.80, 32,962.20 and 8,836.60 is: 13,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.80 : 32,962.20 = 8,836.60 : x
  2. Step 2: Convert to fraction form
    21,974.80/32,962.20 = 8,836.60/x
  3. Step 3: Cross multiply
    21,974.80x = 32,962.20 × 8,836.60
  4. Step 4: Simplify right side
    21,974.80x = 291,273,776.52
  5. Step 5: Solve for x
    x = 291,273,776.52/21,974.80
  6. Step 6: Final answer
    x = 13,254.90

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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.