Home / 20,288.26-27,996.06-11,674.72

Finding the Fourth Proportional to 20,288.26, 27,996.06 and 11,674.72

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Solution

The fourth proportional to 20,288.26, 27,996.06 and 11,674.72 is: 16,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.26 : 27,996.06 = 11,674.72 : x
  2. Step 2: Convert to fraction form
    20,288.26/27,996.06 = 11,674.72/x
  3. Step 3: Cross multiply
    20,288.26x = 27,996.06 × 11,674.72
  4. Step 4: Simplify right side
    20,288.26x = 326,846,161.60
  5. Step 5: Solve for x
    x = 326,846,161.60/20,288.26
  6. Step 6: Final answer
    x = 16,110.11

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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.