Home / 27,131.82-37,442.69-15,195.03

Finding the Fourth Proportional to 27,131.82, 37,442.69 and 15,195.03

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Solution

The fourth proportional to 27,131.82, 37,442.69 and 15,195.03 is: 20,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.82 : 37,442.69 = 15,195.03 : x
  2. Step 2: Convert to fraction form
    27,131.82/37,442.69 = 15,195.03/x
  3. Step 3: Cross multiply
    27,131.82x = 37,442.69 × 15,195.03
  4. Step 4: Simplify right side
    27,131.82x = 568,942,797.83
  5. Step 5: Solve for x
    x = 568,942,797.83/27,131.82
  6. Step 6: Final answer
    x = 20,969.58

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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.