Home / 28,855.74-39,815.97-16,108.27

Finding the Fourth Proportional to 28,855.74, 39,815.97 and 16,108.27

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Solution

The fourth proportional to 28,855.74, 39,815.97 and 16,108.27 is: 22,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.74 : 39,815.97 = 16,108.27 : x
  2. Step 2: Convert to fraction form
    28,855.74/39,815.97 = 16,108.27/x
  3. Step 3: Cross multiply
    28,855.74x = 39,815.97 × 16,108.27
  4. Step 4: Simplify right side
    28,855.74x = 641,366,325.73
  5. Step 5: Solve for x
    x = 641,366,325.73/28,855.74
  6. Step 6: Final answer
    x = 22,226.64

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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.