Home / 28,183.20-38,892.48-16,246.56

Finding the Fourth Proportional to 28,183.20, 38,892.48 and 16,246.56

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Solution

The fourth proportional to 28,183.20, 38,892.48 and 16,246.56 is: 22,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.20 : 38,892.48 = 16,246.56 : x
  2. Step 2: Convert to fraction form
    28,183.20/38,892.48 = 16,246.56/x
  3. Step 3: Cross multiply
    28,183.20x = 38,892.48 × 16,246.56
  4. Step 4: Simplify right side
    28,183.20x = 631,869,009.87
  5. Step 5: Solve for x
    x = 631,869,009.87/28,183.20
  6. Step 6: Final answer
    x = 22,420.06

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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.