Home / 27,713.82-38,231.72-18,149.44

Finding the Fourth Proportional to 27,713.82, 38,231.72 and 18,149.44

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Solution

The fourth proportional to 27,713.82, 38,231.72 and 18,149.44 is: 25,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.82 : 38,231.72 = 18,149.44 : x
  2. Step 2: Convert to fraction form
    27,713.82/38,231.72 = 18,149.44/x
  3. Step 3: Cross multiply
    27,713.82x = 38,231.72 × 18,149.44
  4. Step 4: Simplify right side
    27,713.82x = 693,884,308.24
  5. Step 5: Solve for x
    x = 693,884,308.24/27,713.82
  6. Step 6: Final answer
    x = 25,037.48

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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.