Home / 27,927.36-38,540.07-15,180.66

Finding the Fourth Proportional to 27,927.36, 38,540.07 and 15,180.66

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Solution

The fourth proportional to 27,927.36, 38,540.07 and 15,180.66 is: 20,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.36 : 38,540.07 = 15,180.66 : x
  2. Step 2: Convert to fraction form
    27,927.36/38,540.07 = 15,180.66/x
  3. Step 3: Cross multiply
    27,927.36x = 38,540.07 × 15,180.66
  4. Step 4: Simplify right side
    27,927.36x = 585,063,699.05
  5. Step 5: Solve for x
    x = 585,063,699.05/27,927.36
  6. Step 6: Final answer
    x = 20,949.48

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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.