Home / 27,643.24-38,146.26-15,067.88

Finding the Fourth Proportional to 27,643.24, 38,146.26 and 15,067.88

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Solution

The fourth proportional to 27,643.24, 38,146.26 and 15,067.88 is: 20,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.24 : 38,146.26 = 15,067.88 : x
  2. Step 2: Convert to fraction form
    27,643.24/38,146.26 = 15,067.88/x
  3. Step 3: Cross multiply
    27,643.24x = 38,146.26 × 15,067.88
  4. Step 4: Simplify right side
    27,643.24x = 574,783,268.13
  5. Step 5: Solve for x
    x = 574,783,268.13/27,643.24
  6. Step 6: Final answer
    x = 20,792.91

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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.