Home / 27,667.72-38,181.37-15,092.38

Finding the Fourth Proportional to 27,667.72, 38,181.37 and 15,092.38

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Solution

The fourth proportional to 27,667.72, 38,181.37 and 15,092.38 is: 20,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.72 : 38,181.37 = 15,092.38 : x
  2. Step 2: Convert to fraction form
    27,667.72/38,181.37 = 15,092.38/x
  3. Step 3: Cross multiply
    27,667.72x = 38,181.37 × 15,092.38
  4. Step 4: Simplify right side
    27,667.72x = 576,247,478.59
  5. Step 5: Solve for x
    x = 576,247,478.59/27,667.72
  6. Step 6: Final answer
    x = 20,827.43

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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.