Home / 27,643.07-38,147.35-15,067.82

Finding the Fourth Proportional to 27,643.07, 38,147.35 and 15,067.82

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Solution

The fourth proportional to 27,643.07, 38,147.35 and 15,067.82 is: 20,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.07 : 38,147.35 = 15,067.82 : x
  2. Step 2: Convert to fraction form
    27,643.07/38,147.35 = 15,067.82/x
  3. Step 3: Cross multiply
    27,643.07x = 38,147.35 × 15,067.82
  4. Step 4: Simplify right side
    27,643.07x = 574,797,327.94
  5. Step 5: Solve for x
    x = 574,797,327.94/27,643.07
  6. Step 6: Final answer
    x = 20,793.54

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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.