Home / 20,241.05-27,928.15-11,744.60

Finding the Fourth Proportional to 20,241.05, 27,928.15 and 11,744.60

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Solution

The fourth proportional to 20,241.05, 27,928.15 and 11,744.60 is: 16,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.05 : 27,928.15 = 11,744.60 : x
  2. Step 2: Convert to fraction form
    20,241.05/27,928.15 = 11,744.60/x
  3. Step 3: Cross multiply
    20,241.05x = 27,928.15 × 11,744.60
  4. Step 4: Simplify right side
    20,241.05x = 328,004,781.49
  5. Step 5: Solve for x
    x = 328,004,781.49/20,241.05
  6. Step 6: Final answer
    x = 16,204.93

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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.