Home / 20,118.11-27,790.49-16,337.03

Finding the Fourth Proportional to 20,118.11, 27,790.49 and 16,337.03

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Solution

The fourth proportional to 20,118.11, 27,790.49 and 16,337.03 is: 22,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.11 : 27,790.49 = 16,337.03 : x
  2. Step 2: Convert to fraction form
    20,118.11/27,790.49 = 16,337.03/x
  3. Step 3: Cross multiply
    20,118.11x = 27,790.49 × 16,337.03
  4. Step 4: Simplify right side
    20,118.11x = 454,013,970.73
  5. Step 5: Solve for x
    x = 454,013,970.73/20,118.11
  6. Step 6: Final answer
    x = 22,567.43

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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.