Home / 27,745.04-38,308.20-17,149.20

Finding the Fourth Proportional to 27,745.04, 38,308.20 and 17,149.20

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Solution

The fourth proportional to 27,745.04, 38,308.20 and 17,149.20 is: 23,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.04 : 38,308.20 = 17,149.20 : x
  2. Step 2: Convert to fraction form
    27,745.04/38,308.20 = 17,149.20/x
  3. Step 3: Cross multiply
    27,745.04x = 38,308.20 × 17,149.20
  4. Step 4: Simplify right side
    27,745.04x = 656,954,983.44
  5. Step 5: Solve for x
    x = 656,954,983.44/27,745.04
  6. Step 6: Final answer
    x = 23,678.29

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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.