Home / 20,247.21-30,367.01-16,321.39

Finding the Fourth Proportional to 20,247.21, 30,367.01 and 16,321.39

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Solution

The fourth proportional to 20,247.21, 30,367.01 and 16,321.39 is: 24,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.21 : 30,367.01 = 16,321.39 : x
  2. Step 2: Convert to fraction form
    20,247.21/30,367.01 = 16,321.39/x
  3. Step 3: Cross multiply
    20,247.21x = 30,367.01 × 16,321.39
  4. Step 4: Simplify right side
    20,247.21x = 495,631,778.23
  5. Step 5: Solve for x
    x = 495,631,778.23/20,247.21
  6. Step 6: Final answer
    x = 24,479.02

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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.