Home / 20,056.85-27,679.28-11,104.19

Finding the Fourth Proportional to 20,056.85, 27,679.28 and 11,104.19

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Solution

The fourth proportional to 20,056.85, 27,679.28 and 11,104.19 is: 15,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.85 : 27,679.28 = 11,104.19 : x
  2. Step 2: Convert to fraction form
    20,056.85/27,679.28 = 11,104.19/x
  3. Step 3: Cross multiply
    20,056.85x = 27,679.28 × 11,104.19
  4. Step 4: Simplify right side
    20,056.85x = 307,355,790.27
  5. Step 5: Solve for x
    x = 307,355,790.27/20,056.85
  6. Step 6: Final answer
    x = 15,324.23

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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.