Home / 27,932.87-38,536.45-15,989.83

Finding the Fourth Proportional to 27,932.87, 38,536.45 and 15,989.83

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Solution

The fourth proportional to 27,932.87, 38,536.45 and 15,989.83 is: 22,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.87 : 38,536.45 = 15,989.83 : x
  2. Step 2: Convert to fraction form
    27,932.87/38,536.45 = 15,989.83/x
  3. Step 3: Cross multiply
    27,932.87x = 38,536.45 × 15,989.83
  4. Step 4: Simplify right side
    27,932.87x = 616,191,147.99
  5. Step 5: Solve for x
    x = 616,191,147.99/27,932.87
  6. Step 6: Final answer
    x = 22,059.71

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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.