Home / 27,646.57-38,151.13-15,546.71

Finding the Fourth Proportional to 27,646.57, 38,151.13 and 15,546.71

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Solution

The fourth proportional to 27,646.57, 38,151.13 and 15,546.71 is: 21,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.57 : 38,151.13 = 15,546.71 : x
  2. Step 2: Convert to fraction form
    27,646.57/38,151.13 = 15,546.71/x
  3. Step 3: Cross multiply
    27,646.57x = 38,151.13 × 15,546.71
  4. Step 4: Simplify right side
    27,646.57x = 593,124,382.96
  5. Step 5: Solve for x
    x = 593,124,382.96/27,646.57
  6. Step 6: Final answer
    x = 21,453.82

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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.