Home / 27,849.08-38,431.92-15,273.92

Finding the Fourth Proportional to 27,849.08, 38,431.92 and 15,273.92

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Solution

The fourth proportional to 27,849.08, 38,431.92 and 15,273.92 is: 21,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.08 : 38,431.92 = 15,273.92 : x
  2. Step 2: Convert to fraction form
    27,849.08/38,431.92 = 15,273.92/x
  3. Step 3: Cross multiply
    27,849.08x = 38,431.92 × 15,273.92
  4. Step 4: Simplify right side
    27,849.08x = 587,006,071.53
  5. Step 5: Solve for x
    x = 587,006,071.53/27,849.08
  6. Step 6: Final answer
    x = 21,078.11

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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.