Home / 20,023.78-27,634.83-11,071.96

Finding the Fourth Proportional to 20,023.78, 27,634.83 and 11,071.96

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Solution

The fourth proportional to 20,023.78, 27,634.83 and 11,071.96 is: 15,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.78 : 27,634.83 = 11,071.96 : x
  2. Step 2: Convert to fraction form
    20,023.78/27,634.83 = 11,071.96/x
  3. Step 3: Cross multiply
    20,023.78x = 27,634.83 × 11,071.96
  4. Step 4: Simplify right side
    20,023.78x = 305,971,732.37
  5. Step 5: Solve for x
    x = 305,971,732.37/20,023.78
  6. Step 6: Final answer
    x = 15,280.42

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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.