Home / 27,255.25-37,610.37-15,320.39

Finding the Fourth Proportional to 27,255.25, 37,610.37 and 15,320.39

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Solution

The fourth proportional to 27,255.25, 37,610.37 and 15,320.39 is: 21,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.25 : 37,610.37 = 15,320.39 : x
  2. Step 2: Convert to fraction form
    27,255.25/37,610.37 = 15,320.39/x
  3. Step 3: Cross multiply
    27,255.25x = 37,610.37 × 15,320.39
  4. Step 4: Simplify right side
    27,255.25x = 576,205,348.39
  5. Step 5: Solve for x
    x = 576,205,348.39/27,255.25
  6. Step 6: Final answer
    x = 21,141.08

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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.