Home / 27,418.82-37,837.68-15,481.45

Finding the Fourth Proportional to 27,418.82, 37,837.68 and 15,481.45

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Solution

The fourth proportional to 27,418.82, 37,837.68 and 15,481.45 is: 21,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.82 : 37,837.68 = 15,481.45 : x
  2. Step 2: Convert to fraction form
    27,418.82/37,837.68 = 15,481.45/x
  3. Step 3: Cross multiply
    27,418.82x = 37,837.68 × 15,481.45
  4. Step 4: Simplify right side
    27,418.82x = 585,781,961.85
  5. Step 5: Solve for x
    x = 585,781,961.85/27,418.82
  6. Step 6: Final answer
    x = 21,364.23

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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.