Home / 20,843.01-28,760.79-16,604.85

Finding the Fourth Proportional to 20,843.01, 28,760.79 and 16,604.85

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Solution

The fourth proportional to 20,843.01, 28,760.79 and 16,604.85 is: 22,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.01 : 28,760.79 = 16,604.85 : x
  2. Step 2: Convert to fraction form
    20,843.01/28,760.79 = 16,604.85/x
  3. Step 3: Cross multiply
    20,843.01x = 28,760.79 × 16,604.85
  4. Step 4: Simplify right side
    20,843.01x = 477,568,603.83
  5. Step 5: Solve for x
    x = 477,568,603.83/20,843.01
  6. Step 6: Final answer
    x = 22,912.65

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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.