Home / 26,930.97-40,404.69-13,792.64

Finding the Fourth Proportional to 26,930.97, 40,404.69 and 13,792.64

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Solution

The fourth proportional to 26,930.97, 40,404.69 and 13,792.64 is: 20,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.97 : 40,404.69 = 13,792.64 : x
  2. Step 2: Convert to fraction form
    26,930.97/40,404.69 = 13,792.64/x
  3. Step 3: Cross multiply
    26,930.97x = 40,404.69 × 13,792.64
  4. Step 4: Simplify right side
    26,930.97x = 557,287,141.46
  5. Step 5: Solve for x
    x = 557,287,141.46/26,930.97
  6. Step 6: Final answer
    x = 20,693.17

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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.