Home / 27,960.12-38,584.55-16,635.11

Finding the Fourth Proportional to 27,960.12, 38,584.55 and 16,635.11

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Solution

The fourth proportional to 27,960.12, 38,584.55 and 16,635.11 is: 22,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.12 : 38,584.55 = 16,635.11 : x
  2. Step 2: Convert to fraction form
    27,960.12/38,584.55 = 16,635.11/x
  3. Step 3: Cross multiply
    27,960.12x = 38,584.55 × 16,635.11
  4. Step 4: Simplify right side
    27,960.12x = 641,858,082.22
  5. Step 5: Solve for x
    x = 641,858,082.22/27,960.12
  6. Step 6: Final answer
    x = 22,956.20

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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.