Home / 27,437.76-41,139.36-18,067.68

Finding the Fourth Proportional to 27,437.76, 41,139.36 and 18,067.68

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Solution

The fourth proportional to 27,437.76, 41,139.36 and 18,067.68 is: 27,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.76 : 41,139.36 = 18,067.68 : x
  2. Step 2: Convert to fraction form
    27,437.76/41,139.36 = 18,067.68/x
  3. Step 3: Cross multiply
    27,437.76x = 41,139.36 × 18,067.68
  4. Step 4: Simplify right side
    27,437.76x = 743,292,791.88
  5. Step 5: Solve for x
    x = 743,292,791.88/27,437.76
  6. Step 6: Final answer
    x = 27,090.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.