Home / 28,668.72-39,562.56-16,093.38

Finding the Fourth Proportional to 28,668.72, 39,562.56 and 16,093.38

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Solution

The fourth proportional to 28,668.72, 39,562.56 and 16,093.38 is: 22,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.72 : 39,562.56 = 16,093.38 : x
  2. Step 2: Convert to fraction form
    28,668.72/39,562.56 = 16,093.38/x
  3. Step 3: Cross multiply
    28,668.72x = 39,562.56 × 16,093.38
  4. Step 4: Simplify right side
    28,668.72x = 636,695,311.85
  5. Step 5: Solve for x
    x = 636,695,311.85/28,668.72
  6. Step 6: Final answer
    x = 22,208.71

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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.