Home / 27,942.20-41,913.30-7,165.70

Finding the Fourth Proportional to 27,942.20, 41,913.30 and 7,165.70

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Solution

The fourth proportional to 27,942.20, 41,913.30 and 7,165.70 is: 10,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.20 : 41,913.30 = 7,165.70 : x
  2. Step 2: Convert to fraction form
    27,942.20/41,913.30 = 7,165.70/x
  3. Step 3: Cross multiply
    27,942.20x = 41,913.30 × 7,165.70
  4. Step 4: Simplify right side
    27,942.20x = 300,338,133.81
  5. Step 5: Solve for x
    x = 300,338,133.81/27,942.20
  6. Step 6: Final answer
    x = 10,748.55

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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.