Home / 28,183.72-38,891.46-16,246.60

Finding the Fourth Proportional to 28,183.72, 38,891.46 and 16,246.60

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Solution

The fourth proportional to 28,183.72, 38,891.46 and 16,246.60 is: 22,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.72 : 38,891.46 = 16,246.60 : x
  2. Step 2: Convert to fraction form
    28,183.72/38,891.46 = 16,246.60/x
  3. Step 3: Cross multiply
    28,183.72x = 38,891.46 × 16,246.60
  4. Step 4: Simplify right side
    28,183.72x = 631,853,994.04
  5. Step 5: Solve for x
    x = 631,853,994.04/28,183.72
  6. Step 6: Final answer
    x = 22,419.11

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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.