Home / 20,027.28-27,637.82-11,074.94

Finding the Fourth Proportional to 20,027.28, 27,637.82 and 11,074.94

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Solution

The fourth proportional to 20,027.28, 27,637.82 and 11,074.94 is: 15,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.28 : 27,637.82 = 11,074.94 : x
  2. Step 2: Convert to fraction form
    20,027.28/27,637.82 = 11,074.94/x
  3. Step 3: Cross multiply
    20,027.28x = 27,637.82 × 11,074.94
  4. Step 4: Simplify right side
    20,027.28x = 306,087,198.23
  5. Step 5: Solve for x
    x = 306,087,198.23/20,027.28
  6. Step 6: Final answer
    x = 15,283.51

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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.