Home / 28,972.98-39,981.33-17,792.82

Finding the Fourth Proportional to 28,972.98, 39,981.33 and 17,792.82

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Solution

The fourth proportional to 28,972.98, 39,981.33 and 17,792.82 is: 24,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.98 : 39,981.33 = 17,792.82 : x
  2. Step 2: Convert to fraction form
    28,972.98/39,981.33 = 17,792.82/x
  3. Step 3: Cross multiply
    28,972.98x = 39,981.33 × 17,792.82
  4. Step 4: Simplify right side
    28,972.98x = 711,380,608.05
  5. Step 5: Solve for x
    x = 711,380,608.05/28,972.98
  6. Step 6: Final answer
    x = 24,553.24

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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.