Home / 27,812.79-41,721.75-9,092.93

Finding the Fourth Proportional to 27,812.79, 41,721.75 and 9,092.93

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Solution

The fourth proportional to 27,812.79, 41,721.75 and 9,092.93 is: 13,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.79 : 41,721.75 = 9,092.93 : x
  2. Step 2: Convert to fraction form
    27,812.79/41,721.75 = 9,092.93/x
  3. Step 3: Cross multiply
    27,812.79x = 41,721.75 × 9,092.93
  4. Step 4: Simplify right side
    27,812.79x = 379,372,847.92
  5. Step 5: Solve for x
    x = 379,372,847.92/27,812.79
  6. Step 6: Final answer
    x = 13,640.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.