Home / 28,134.20-38,829.97-16,204.44

Finding the Fourth Proportional to 28,134.20, 38,829.97 and 16,204.44

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Solution

The fourth proportional to 28,134.20, 38,829.97 and 16,204.44 is: 22,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.20 : 38,829.97 = 16,204.44 : x
  2. Step 2: Convert to fraction form
    28,134.20/38,829.97 = 16,204.44/x
  3. Step 3: Cross multiply
    28,134.20x = 38,829.97 × 16,204.44
  4. Step 4: Simplify right side
    28,134.20x = 629,217,919.07
  5. Step 5: Solve for x
    x = 629,217,919.07/28,134.20
  6. Step 6: Final answer
    x = 22,364.88

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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.