Home / 27,950.36-38,572.09-15,375.11

Finding the Fourth Proportional to 27,950.36, 38,572.09 and 15,375.11

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Solution

The fourth proportional to 27,950.36, 38,572.09 and 15,375.11 is: 21,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.36 : 38,572.09 = 15,375.11 : x
  2. Step 2: Convert to fraction form
    27,950.36/38,572.09 = 15,375.11/x
  3. Step 3: Cross multiply
    27,950.36x = 38,572.09 × 15,375.11
  4. Step 4: Simplify right side
    27,950.36x = 593,049,895.38
  5. Step 5: Solve for x
    x = 593,049,895.38/27,950.36
  6. Step 6: Final answer
    x = 21,217.97

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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.