Home / 21,471.23-32,183.20-16,189.31

Finding the Fourth Proportional to 21,471.23, 32,183.20 and 16,189.31

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Solution

The fourth proportional to 21,471.23, 32,183.20 and 16,189.31 is: 24,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.23 : 32,183.20 = 16,189.31 : x
  2. Step 2: Convert to fraction form
    21,471.23/32,183.20 = 16,189.31/x
  3. Step 3: Cross multiply
    21,471.23x = 32,183.20 × 16,189.31
  4. Step 4: Simplify right side
    21,471.23x = 521,023,801.59
  5. Step 5: Solve for x
    x = 521,023,801.59/21,471.23
  6. Step 6: Final answer
    x = 24,266.14

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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.