Home / 28,404.91-39,198.01-16,305.04

Finding the Fourth Proportional to 28,404.91, 39,198.01 and 16,305.04

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Solution

The fourth proportional to 28,404.91, 39,198.01 and 16,305.04 is: 22,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.91 : 39,198.01 = 16,305.04 : x
  2. Step 2: Convert to fraction form
    28,404.91/39,198.01 = 16,305.04/x
  3. Step 3: Cross multiply
    28,404.91x = 39,198.01 × 16,305.04
  4. Step 4: Simplify right side
    28,404.91x = 639,125,120.97
  5. Step 5: Solve for x
    x = 639,125,120.97/28,404.91
  6. Step 6: Final answer
    x = 22,500.52

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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.