Home / 27,688.32-41,532.78-6,911.82

Finding the Fourth Proportional to 27,688.32, 41,532.78 and 6,911.82

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Solution

The fourth proportional to 27,688.32, 41,532.78 and 6,911.82 is: 10,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.32 : 41,532.78 = 6,911.82 : x
  2. Step 2: Convert to fraction form
    27,688.32/41,532.78 = 6,911.82/x
  3. Step 3: Cross multiply
    27,688.32x = 41,532.78 × 6,911.82
  4. Step 4: Simplify right side
    27,688.32x = 287,067,099.46
  5. Step 5: Solve for x
    x = 287,067,099.46/27,688.32
  6. Step 6: Final answer
    x = 10,367.80

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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.