Home / 27,984.30-41,952.15-16,879.20

Finding the Fourth Proportional to 27,984.30, 41,952.15 and 16,879.20

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Solution

The fourth proportional to 27,984.30, 41,952.15 and 16,879.20 is: 25,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.30 : 41,952.15 = 16,879.20 : x
  2. Step 2: Convert to fraction form
    27,984.30/41,952.15 = 16,879.20/x
  3. Step 3: Cross multiply
    27,984.30x = 41,952.15 × 16,879.20
  4. Step 4: Simplify right side
    27,984.30x = 708,118,730.28
  5. Step 5: Solve for x
    x = 708,118,730.28/27,984.30
  6. Step 6: Final answer
    x = 25,304.14

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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.