Home / 27,942.82-41,889.18-10,400.68

Finding the Fourth Proportional to 27,942.82, 41,889.18 and 10,400.68

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Solution

The fourth proportional to 27,942.82, 41,889.18 and 10,400.68 is: 15,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.82 : 41,889.18 = 10,400.68 : x
  2. Step 2: Convert to fraction form
    27,942.82/41,889.18 = 10,400.68/x
  3. Step 3: Cross multiply
    27,942.82x = 41,889.18 × 10,400.68
  4. Step 4: Simplify right side
    27,942.82x = 435,675,956.64
  5. Step 5: Solve for x
    x = 435,675,956.64/27,942.82
  6. Step 6: Final answer
    x = 15,591.70

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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.