Home / 20,400.98-30,572.75-16,222.43

Finding the Fourth Proportional to 20,400.98, 30,572.75 and 16,222.43

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Solution

The fourth proportional to 20,400.98, 30,572.75 and 16,222.43 is: 24,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400.98 : 30,572.75 = 16,222.43 : x
  2. Step 2: Convert to fraction form
    20,400.98/30,572.75 = 16,222.43/x
  3. Step 3: Cross multiply
    20,400.98x = 30,572.75 × 16,222.43
  4. Step 4: Simplify right side
    20,400.98x = 495,964,062.81
  5. Step 5: Solve for x
    x = 495,964,062.81/20,400.98
  6. Step 6: Final answer
    x = 24,310.80

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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.