Home / 28,930.70-39,922.77-16,354.66

Finding the Fourth Proportional to 28,930.70, 39,922.77 and 16,354.66

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Solution

The fourth proportional to 28,930.70, 39,922.77 and 16,354.66 is: 22,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.70 : 39,922.77 = 16,354.66 : x
  2. Step 2: Convert to fraction form
    28,930.70/39,922.77 = 16,354.66/x
  3. Step 3: Cross multiply
    28,930.70x = 39,922.77 × 16,354.66
  4. Step 4: Simplify right side
    28,930.70x = 652,923,329.61
  5. Step 5: Solve for x
    x = 652,923,329.61/28,930.70
  6. Step 6: Final answer
    x = 22,568.53

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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.