Home / 20,233.70-27,922.60-11,281.36

Finding the Fourth Proportional to 20,233.70, 27,922.60 and 11,281.36

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Solution

The fourth proportional to 20,233.70, 27,922.60 and 11,281.36 is: 15,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.70 : 27,922.60 = 11,281.36 : x
  2. Step 2: Convert to fraction form
    20,233.70/27,922.60 = 11,281.36/x
  3. Step 3: Cross multiply
    20,233.70x = 27,922.60 × 11,281.36
  4. Step 4: Simplify right side
    20,233.70x = 315,004,902.74
  5. Step 5: Solve for x
    x = 315,004,902.74/20,233.70
  6. Step 6: Final answer
    x = 15,568.33

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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.