Home / 27,700.82-38,227.17-15,125.57

Finding the Fourth Proportional to 27,700.82, 38,227.17 and 15,125.57

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Solution

The fourth proportional to 27,700.82, 38,227.17 and 15,125.57 is: 20,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.82 : 38,227.17 = 15,125.57 : x
  2. Step 2: Convert to fraction form
    27,700.82/38,227.17 = 15,125.57/x
  3. Step 3: Cross multiply
    27,700.82x = 38,227.17 × 15,125.57
  4. Step 4: Simplify right side
    27,700.82x = 578,207,735.74
  5. Step 5: Solve for x
    x = 578,207,735.74/27,700.82
  6. Step 6: Final answer
    x = 20,873.31

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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.