Home / 19,625.85-27,082.26-11,128.14

Finding the Fourth Proportional to 19,625.85, 27,082.26 and 11,128.14

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Solution

The fourth proportional to 19,625.85, 27,082.26 and 11,128.14 is: 15,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.85 : 27,082.26 = 11,128.14 : x
  2. Step 2: Convert to fraction form
    19,625.85/27,082.26 = 11,128.14/x
  3. Step 3: Cross multiply
    19,625.85x = 27,082.26 × 11,128.14
  4. Step 4: Simplify right side
    19,625.85x = 301,375,180.80
  5. Step 5: Solve for x
    x = 301,375,180.80/19,625.85
  6. Step 6: Final answer
    x = 15,356.03

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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.