Home / 27,938.88-38,544.72-15,995.82

Finding the Fourth Proportional to 27,938.88, 38,544.72 and 15,995.82

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Solution

The fourth proportional to 27,938.88, 38,544.72 and 15,995.82 is: 22,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.88 : 38,544.72 = 15,995.82 : x
  2. Step 2: Convert to fraction form
    27,938.88/38,544.72 = 15,995.82/x
  3. Step 3: Cross multiply
    27,938.88x = 38,544.72 × 15,995.82
  4. Step 4: Simplify right side
    27,938.88x = 616,554,403.07
  5. Step 5: Solve for x
    x = 616,554,403.07/27,938.88
  6. Step 6: Final answer
    x = 22,067.97

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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.