Home / 27,834.07-38,414.24-15,899.13

Finding the Fourth Proportional to 27,834.07, 38,414.24 and 15,899.13

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Solution

The fourth proportional to 27,834.07, 38,414.24 and 15,899.13 is: 21,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.07 : 38,414.24 = 15,899.13 : x
  2. Step 2: Convert to fraction form
    27,834.07/38,414.24 = 15,899.13/x
  3. Step 3: Cross multiply
    27,834.07x = 38,414.24 × 15,899.13
  4. Step 4: Simplify right side
    27,834.07x = 610,752,995.61
  5. Step 5: Solve for x
    x = 610,752,995.61/27,834.07
  6. Step 6: Final answer
    x = 21,942.64

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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.