Home / 20,006.82-27,609.60-13,965.84

Finding the Fourth Proportional to 20,006.82, 27,609.60 and 13,965.84

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Solution

The fourth proportional to 20,006.82, 27,609.60 and 13,965.84 is: 19,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.82 : 27,609.60 = 13,965.84 : x
  2. Step 2: Convert to fraction form
    20,006.82/27,609.60 = 13,965.84/x
  3. Step 3: Cross multiply
    20,006.82x = 27,609.60 × 13,965.84
  4. Step 4: Simplify right side
    20,006.82x = 385,591,256.06
  5. Step 5: Solve for x
    x = 385,591,256.06/20,006.82
  6. Step 6: Final answer
    x = 19,272.99

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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.