Home / 27,716.92-38,247.56-15,141.66

Finding the Fourth Proportional to 27,716.92, 38,247.56 and 15,141.66

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Solution

The fourth proportional to 27,716.92, 38,247.56 and 15,141.66 is: 20,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.92 : 38,247.56 = 15,141.66 : x
  2. Step 2: Convert to fraction form
    27,716.92/38,247.56 = 15,141.66/x
  3. Step 3: Cross multiply
    27,716.92x = 38,247.56 × 15,141.66
  4. Step 4: Simplify right side
    27,716.92x = 579,131,549.35
  5. Step 5: Solve for x
    x = 579,131,549.35/27,716.92
  6. Step 6: Final answer
    x = 20,894.51

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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.