Home / 27,862.67-38,449.73-16,956.71

Finding the Fourth Proportional to 27,862.67, 38,449.73 and 16,956.71

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Solution

The fourth proportional to 27,862.67, 38,449.73 and 16,956.71 is: 23,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.67 : 38,449.73 = 16,956.71 : x
  2. Step 2: Convert to fraction form
    27,862.67/38,449.73 = 16,956.71/x
  3. Step 3: Cross multiply
    27,862.67x = 38,449.73 × 16,956.71
  4. Step 4: Simplify right side
    27,862.67x = 651,981,131.80
  5. Step 5: Solve for x
    x = 651,981,131.80/27,862.67
  6. Step 6: Final answer
    x = 23,399.81

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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.