Home / 22,677.40-31,230.30-16,379.80

Finding the Fourth Proportional to 22,677.40, 31,230.30 and 16,379.80

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Solution

The fourth proportional to 22,677.40, 31,230.30 and 16,379.80 is: 22,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.40 : 31,230.30 = 16,379.80 : x
  2. Step 2: Convert to fraction form
    22,677.40/31,230.30 = 16,379.80/x
  3. Step 3: Cross multiply
    22,677.40x = 31,230.30 × 16,379.80
  4. Step 4: Simplify right side
    22,677.40x = 511,546,067.94
  5. Step 5: Solve for x
    x = 511,546,067.94/22,677.40
  6. Step 6: Final answer
    x = 22,557.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.