Home / 21,356.97-32,023.45-8,868.59

Finding the Fourth Proportional to 21,356.97, 32,023.45 and 8,868.59

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Solution

The fourth proportional to 21,356.97, 32,023.45 and 8,868.59 is: 13,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.97 : 32,023.45 = 8,868.59 : x
  2. Step 2: Convert to fraction form
    21,356.97/32,023.45 = 8,868.59/x
  3. Step 3: Cross multiply
    21,356.97x = 32,023.45 × 8,868.59
  4. Step 4: Simplify right side
    21,356.97x = 284,002,819.49
  5. Step 5: Solve for x
    x = 284,002,819.49/21,356.97
  6. Step 6: Final answer
    x = 13,297.90

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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.