Home / 27,932.08-41,859.60-20,540.56

Finding the Fourth Proportional to 27,932.08, 41,859.60 and 20,540.56

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Solution

The fourth proportional to 27,932.08, 41,859.60 and 20,540.56 is: 30,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.08 : 41,859.60 = 20,540.56 : x
  2. Step 2: Convert to fraction form
    27,932.08/41,859.60 = 20,540.56/x
  3. Step 3: Cross multiply
    27,932.08x = 41,859.60 × 20,540.56
  4. Step 4: Simplify right side
    27,932.08x = 859,819,625.38
  5. Step 5: Solve for x
    x = 859,819,625.38/27,932.08
  6. Step 6: Final answer
    x = 30,782.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.