Home / 27,642.94-38,147.56-15,067.69

Finding the Fourth Proportional to 27,642.94, 38,147.56 and 15,067.69

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Solution

The fourth proportional to 27,642.94, 38,147.56 and 15,067.69 is: 20,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.94 : 38,147.56 = 15,067.69 : x
  2. Step 2: Convert to fraction form
    27,642.94/38,147.56 = 15,067.69/x
  3. Step 3: Cross multiply
    27,642.94x = 38,147.56 × 15,067.69
  4. Step 4: Simplify right side
    27,642.94x = 574,795,475.30
  5. Step 5: Solve for x
    x = 574,795,475.30/27,642.94
  6. Step 6: Final answer
    x = 20,793.57

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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.