Home / 27,173.26-40,729.97-20,488.33

Finding the Fourth Proportional to 27,173.26, 40,729.97 and 20,488.33

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Solution

The fourth proportional to 27,173.26, 40,729.97 and 20,488.33 is: 30,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.26 : 40,729.97 = 20,488.33 : x
  2. Step 2: Convert to fraction form
    27,173.26/40,729.97 = 20,488.33/x
  3. Step 3: Cross multiply
    27,173.26x = 40,729.97 × 20,488.33
  4. Step 4: Simplify right side
    27,173.26x = 834,488,883.14
  5. Step 5: Solve for x
    x = 834,488,883.14/27,173.26
  6. Step 6: Final answer
    x = 30,709.93

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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.