Home / 20,241.88-27,936.23-11,858.38

Finding the Fourth Proportional to 20,241.88, 27,936.23 and 11,858.38

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Solution

The fourth proportional to 20,241.88, 27,936.23 and 11,858.38 is: 16,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.88 : 27,936.23 = 11,858.38 : x
  2. Step 2: Convert to fraction form
    20,241.88/27,936.23 = 11,858.38/x
  3. Step 3: Cross multiply
    20,241.88x = 27,936.23 × 11,858.38
  4. Step 4: Simplify right side
    20,241.88x = 331,278,232.13
  5. Step 5: Solve for x
    x = 331,278,232.13/20,241.88
  6. Step 6: Final answer
    x = 16,365.99

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Similar ratio
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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.