Home / 27,808.36-38,375.29-15,233.11

Finding the Fourth Proportional to 27,808.36, 38,375.29 and 15,233.11

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Solution

The fourth proportional to 27,808.36, 38,375.29 and 15,233.11 is: 21,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.36 : 38,375.29 = 15,233.11 : x
  2. Step 2: Convert to fraction form
    27,808.36/38,375.29 = 15,233.11/x
  3. Step 3: Cross multiply
    27,808.36x = 38,375.29 × 15,233.11
  4. Step 4: Simplify right side
    27,808.36x = 584,575,013.85
  5. Step 5: Solve for x
    x = 584,575,013.85/27,808.36
  6. Step 6: Final answer
    x = 21,021.56

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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.