Home / 20,066.82-27,692.51-11,568.80

Finding the Fourth Proportional to 20,066.82, 27,692.51 and 11,568.80

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Solution

The fourth proportional to 20,066.82, 27,692.51 and 11,568.80 is: 15,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.82 : 27,692.51 = 11,568.80 : x
  2. Step 2: Convert to fraction form
    20,066.82/27,692.51 = 11,568.80/x
  3. Step 3: Cross multiply
    20,066.82x = 27,692.51 × 11,568.80
  4. Step 4: Simplify right side
    20,066.82x = 320,368,913.38
  5. Step 5: Solve for x
    x = 320,368,913.38/20,066.82
  6. Step 6: Final answer
    x = 15,965.11

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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.