Home / 27,396.80-37,797.44-20,243.96

Finding the Fourth Proportional to 27,396.80, 37,797.44 and 20,243.96

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Solution

The fourth proportional to 27,396.80, 37,797.44 and 20,243.96 is: 27,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.80 : 37,797.44 = 20,243.96 : x
  2. Step 2: Convert to fraction form
    27,396.80/37,797.44 = 20,243.96/x
  3. Step 3: Cross multiply
    27,396.80x = 37,797.44 × 20,243.96
  4. Step 4: Simplify right side
    27,396.80x = 765,169,573.26
  5. Step 5: Solve for x
    x = 765,169,573.26/27,396.80
  6. Step 6: Final answer
    x = 27,929.16

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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.