Home / 28,112.01-38,793.78-16,166.94

Finding the Fourth Proportional to 28,112.01, 38,793.78 and 16,166.94

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Solution

The fourth proportional to 28,112.01, 38,793.78 and 16,166.94 is: 22,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.01 : 38,793.78 = 16,166.94 : x
  2. Step 2: Convert to fraction form
    28,112.01/38,793.78 = 16,166.94/x
  3. Step 3: Cross multiply
    28,112.01x = 38,793.78 × 16,166.94
  4. Step 4: Simplify right side
    28,112.01x = 627,176,713.63
  5. Step 5: Solve for x
    x = 627,176,713.63/28,112.01
  6. Step 6: Final answer
    x = 22,309.92

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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.