Home / 27,996.36-38,634.38-15,249.68

Finding the Fourth Proportional to 27,996.36, 38,634.38 and 15,249.68

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Solution

The fourth proportional to 27,996.36, 38,634.38 and 15,249.68 is: 21,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.36 : 38,634.38 = 15,249.68 : x
  2. Step 2: Convert to fraction form
    27,996.36/38,634.38 = 15,249.68/x
  3. Step 3: Cross multiply
    27,996.36x = 38,634.38 × 15,249.68
  4. Step 4: Simplify right side
    27,996.36x = 589,161,932.00
  5. Step 5: Solve for x
    x = 589,161,932.00/27,996.36
  6. Step 6: Final answer
    x = 21,044.23

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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.