Home / 20,002.88-27,606.32-12,049.12

Finding the Fourth Proportional to 20,002.88, 27,606.32 and 12,049.12

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Solution

The fourth proportional to 20,002.88, 27,606.32 and 12,049.12 is: 16,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.88 : 27,606.32 = 12,049.12 : x
  2. Step 2: Convert to fraction form
    20,002.88/27,606.32 = 12,049.12/x
  3. Step 3: Cross multiply
    20,002.88x = 27,606.32 × 12,049.12
  4. Step 4: Simplify right side
    20,002.88x = 332,631,862.44
  5. Step 5: Solve for x
    x = 332,631,862.44/20,002.88
  6. Step 6: Final answer
    x = 16,629.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.