Home / 20,035.64-27,648.96-11,083.34

Finding the Fourth Proportional to 20,035.64, 27,648.96 and 11,083.34

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Solution

The fourth proportional to 20,035.64, 27,648.96 and 11,083.34 is: 15,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.64 : 27,648.96 = 11,083.34 : x
  2. Step 2: Convert to fraction form
    20,035.64/27,648.96 = 11,083.34/x
  3. Step 3: Cross multiply
    20,035.64x = 27,648.96 × 11,083.34
  4. Step 4: Simplify right side
    20,035.64x = 306,442,824.33
  5. Step 5: Solve for x
    x = 306,442,824.33/20,035.64
  6. Step 6: Final answer
    x = 15,294.89

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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.