Home / 27,716.91-38,247.57-15,141.66

Finding the Fourth Proportional to 27,716.91, 38,247.57 and 15,141.66

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Solution

The fourth proportional to 27,716.91, 38,247.57 and 15,141.66 is: 20,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.91 : 38,247.57 = 15,141.66 : x
  2. Step 2: Convert to fraction form
    27,716.91/38,247.57 = 15,141.66/x
  3. Step 3: Cross multiply
    27,716.91x = 38,247.57 × 15,141.66
  4. Step 4: Simplify right side
    27,716.91x = 579,131,700.77
  5. Step 5: Solve for x
    x = 579,131,700.77/27,716.91
  6. Step 6: Final answer
    x = 20,894.53

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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.