Home / 20,261.88-30,392.82-16,183.80

Finding the Fourth Proportional to 20,261.88, 30,392.82 and 16,183.80

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Solution

The fourth proportional to 20,261.88, 30,392.82 and 16,183.80 is: 24,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.88 : 30,392.82 = 16,183.80 : x
  2. Step 2: Convert to fraction form
    20,261.88/30,392.82 = 16,183.80/x
  3. Step 3: Cross multiply
    20,261.88x = 30,392.82 × 16,183.80
  4. Step 4: Simplify right side
    20,261.88x = 491,871,320.32
  5. Step 5: Solve for x
    x = 491,871,320.32/20,261.88
  6. Step 6: Final answer
    x = 24,275.70

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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.