Home / 27,821.92-38,394.30-16,496.96

Finding the Fourth Proportional to 27,821.92, 38,394.30 and 16,496.96

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Solution

The fourth proportional to 27,821.92, 38,394.30 and 16,496.96 is: 22,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.92 : 38,394.30 = 16,496.96 : x
  2. Step 2: Convert to fraction form
    27,821.92/38,394.30 = 16,496.96/x
  3. Step 3: Cross multiply
    27,821.92x = 38,394.30 × 16,496.96
  4. Step 4: Simplify right side
    27,821.92x = 633,389,231.33
  5. Step 5: Solve for x
    x = 633,389,231.33/27,821.92
  6. Step 6: Final answer
    x = 22,765.83

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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.