Home / 20,122.27-27,761.67-11,624.15

Finding the Fourth Proportional to 20,122.27, 27,761.67 and 11,624.15

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Solution

The fourth proportional to 20,122.27, 27,761.67 and 11,624.15 is: 16,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122.27 : 27,761.67 = 11,624.15 : x
  2. Step 2: Convert to fraction form
    20,122.27/27,761.67 = 11,624.15/x
  3. Step 3: Cross multiply
    20,122.27x = 27,761.67 × 11,624.15
  4. Step 4: Simplify right side
    20,122.27x = 322,705,816.33
  5. Step 5: Solve for x
    x = 322,705,816.33/20,122.27
  6. Step 6: Final answer
    x = 16,037.25

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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.