Home / 28,752.84-39,682.62-16,179.96

Finding the Fourth Proportional to 28,752.84, 39,682.62 and 16,179.96

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Solution

The fourth proportional to 28,752.84, 39,682.62 and 16,179.96 is: 22,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.84 : 39,682.62 = 16,179.96 : x
  2. Step 2: Convert to fraction form
    28,752.84/39,682.62 = 16,179.96/x
  3. Step 3: Cross multiply
    28,752.84x = 39,682.62 × 16,179.96
  4. Step 4: Simplify right side
    28,752.84x = 642,063,204.30
  5. Step 5: Solve for x
    x = 642,063,204.30/28,752.84
  6. Step 6: Final answer
    x = 22,330.43

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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.