Home / 26,979.84-40,469.76-11,396.16

Finding the Fourth Proportional to 26,979.84, 40,469.76 and 11,396.16

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Solution

The fourth proportional to 26,979.84, 40,469.76 and 11,396.16 is: 17,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.84 : 40,469.76 = 11,396.16 : x
  2. Step 2: Convert to fraction form
    26,979.84/40,469.76 = 11,396.16/x
  3. Step 3: Cross multiply
    26,979.84x = 40,469.76 × 11,396.16
  4. Step 4: Simplify right side
    26,979.84x = 461,199,860.12
  5. Step 5: Solve for x
    x = 461,199,860.12/26,979.84
  6. Step 6: Final answer
    x = 17,094.24

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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.