Home / 28,849.71-39,814.62-16,105.38

Finding the Fourth Proportional to 28,849.71, 39,814.62 and 16,105.38

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Solution

The fourth proportional to 28,849.71, 39,814.62 and 16,105.38 is: 22,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.71 : 39,814.62 = 16,105.38 : x
  2. Step 2: Convert to fraction form
    28,849.71/39,814.62 = 16,105.38/x
  3. Step 3: Cross multiply
    28,849.71x = 39,814.62 × 16,105.38
  4. Step 4: Simplify right side
    28,849.71x = 641,229,584.66
  5. Step 5: Solve for x
    x = 641,229,584.66/28,849.71
  6. Step 6: Final answer
    x = 22,226.55

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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.