Home / 19,625.43-27,082.51-11,128.34

Finding the Fourth Proportional to 19,625.43, 27,082.51 and 11,128.34

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Solution

The fourth proportional to 19,625.43, 27,082.51 and 11,128.34 is: 15,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.43 : 27,082.51 = 11,128.34 : x
  2. Step 2: Convert to fraction form
    19,625.43/27,082.51 = 11,128.34/x
  3. Step 3: Cross multiply
    19,625.43x = 27,082.51 × 11,128.34
  4. Step 4: Simplify right side
    19,625.43x = 301,383,379.33
  5. Step 5: Solve for x
    x = 301,383,379.33/19,625.43
  6. Step 6: Final answer
    x = 15,356.78

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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.