Home / 20,028.54-27,636.94-11,074.82

Finding the Fourth Proportional to 20,028.54, 27,636.94 and 11,074.82

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Solution

The fourth proportional to 20,028.54, 27,636.94 and 11,074.82 is: 15,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.54 : 27,636.94 = 11,074.82 : x
  2. Step 2: Convert to fraction form
    20,028.54/27,636.94 = 11,074.82/x
  3. Step 3: Cross multiply
    20,028.54x = 27,636.94 × 11,074.82
  4. Step 4: Simplify right side
    20,028.54x = 306,074,135.85
  5. Step 5: Solve for x
    x = 306,074,135.85/20,028.54
  6. Step 6: Final answer
    x = 15,281.90

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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.