Home / 27,667.13-38,180.84-15,091.88

Finding the Fourth Proportional to 27,667.13, 38,180.84 and 15,091.88

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Solution

The fourth proportional to 27,667.13, 38,180.84 and 15,091.88 is: 20,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.13 : 38,180.84 = 15,091.88 : x
  2. Step 2: Convert to fraction form
    27,667.13/38,180.84 = 15,091.88/x
  3. Step 3: Cross multiply
    27,667.13x = 38,180.84 × 15,091.88
  4. Step 4: Simplify right side
    27,667.13x = 576,220,389.22
  5. Step 5: Solve for x
    x = 576,220,389.22/27,667.13
  6. Step 6: Final answer
    x = 20,826.90

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Double scale
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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.