Home / 20,247.68-27,942.24-11,295.92

Finding the Fourth Proportional to 20,247.68, 27,942.24 and 11,295.92

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Solution

The fourth proportional to 20,247.68, 27,942.24 and 11,295.92 is: 15,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.68 : 27,942.24 = 11,295.92 : x
  2. Step 2: Convert to fraction form
    20,247.68/27,942.24 = 11,295.92/x
  3. Step 3: Cross multiply
    20,247.68x = 27,942.24 × 11,295.92
  4. Step 4: Simplify right side
    20,247.68x = 315,633,307.66
  5. Step 5: Solve for x
    x = 315,633,307.66/20,247.68
  6. Step 6: Final answer
    x = 15,588.62

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1.5x scale

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.