Home / 20,056.94-27,679.60-11,105.43

Finding the Fourth Proportional to 20,056.94, 27,679.60 and 11,105.43

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Solution

The fourth proportional to 20,056.94, 27,679.60 and 11,105.43 is: 15,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.94 : 27,679.60 = 11,105.43 : x
  2. Step 2: Convert to fraction form
    20,056.94/27,679.60 = 11,105.43/x
  3. Step 3: Cross multiply
    20,056.94x = 27,679.60 × 11,105.43
  4. Step 4: Simplify right side
    20,056.94x = 307,393,874.11
  5. Step 5: Solve for x
    x = 307,393,874.11/20,056.94
  6. Step 6: Final answer
    x = 15,326.06

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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.