Home / 20,002.88-27,609.30-12,444.92

Finding the Fourth Proportional to 20,002.88, 27,609.30 and 12,444.92

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Solution

The fourth proportional to 20,002.88, 27,609.30 and 12,444.92 is: 17,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.88 : 27,609.30 = 12,444.92 : x
  2. Step 2: Convert to fraction form
    20,002.88/27,609.30 = 12,444.92/x
  3. Step 3: Cross multiply
    20,002.88x = 27,609.30 × 12,444.92
  4. Step 4: Simplify right side
    20,002.88x = 343,595,391.71
  5. Step 5: Solve for x
    x = 343,595,391.71/20,002.88
  6. Step 6: Final answer
    x = 17,177.30

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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.