Home / 23,183.87-31,979.33-20,348.96

Finding the Fourth Proportional to 23,183.87, 31,979.33 and 20,348.96

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Solution

The fourth proportional to 23,183.87, 31,979.33 and 20,348.96 is: 28,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.87 : 31,979.33 = 20,348.96 : x
  2. Step 2: Convert to fraction form
    23,183.87/31,979.33 = 20,348.96/x
  3. Step 3: Cross multiply
    23,183.87x = 31,979.33 × 20,348.96
  4. Step 4: Simplify right side
    23,183.87x = 650,746,107.00
  5. Step 5: Solve for x
    x = 650,746,107.00/23,183.87
  6. Step 6: Final answer
    x = 28,068.92

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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.