Home / 28,874.35-39,843.73-16,126.50

Finding the Fourth Proportional to 28,874.35, 39,843.73 and 16,126.50

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Solution

The fourth proportional to 28,874.35, 39,843.73 and 16,126.50 is: 22,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.35 : 39,843.73 = 16,126.50 : x
  2. Step 2: Convert to fraction form
    28,874.35/39,843.73 = 16,126.50/x
  3. Step 3: Cross multiply
    28,874.35x = 39,843.73 × 16,126.50
  4. Step 4: Simplify right side
    28,874.35x = 642,539,911.85
  5. Step 5: Solve for x
    x = 642,539,911.85/28,874.35
  6. Step 6: Final answer
    x = 22,252.97

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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.