Home / 20,284.15-30,383.78-16,313.95

Finding the Fourth Proportional to 20,284.15, 30,383.78 and 16,313.95

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Solution

The fourth proportional to 20,284.15, 30,383.78 and 16,313.95 is: 24,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.15 : 30,383.78 = 16,313.95 : x
  2. Step 2: Convert to fraction form
    20,284.15/30,383.78 = 16,313.95/x
  3. Step 3: Cross multiply
    20,284.15x = 30,383.78 × 16,313.95
  4. Step 4: Simplify right side
    20,284.15x = 495,679,234.24
  5. Step 5: Solve for x
    x = 495,679,234.24/20,284.15
  6. Step 6: Final answer
    x = 24,436.78

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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.