Home / 27,826.26-38,400.12-15,251.04

Finding the Fourth Proportional to 27,826.26, 38,400.12 and 15,251.04

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Solution

The fourth proportional to 27,826.26, 38,400.12 and 15,251.04 is: 21,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.26 : 38,400.12 = 15,251.04 : x
  2. Step 2: Convert to fraction form
    27,826.26/38,400.12 = 15,251.04/x
  3. Step 3: Cross multiply
    27,826.26x = 38,400.12 × 15,251.04
  4. Step 4: Simplify right side
    27,826.26x = 585,641,766.12
  5. Step 5: Solve for x
    x = 585,641,766.12/27,826.26
  6. Step 6: Final answer
    x = 21,046.37

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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.