Home / 27,919.62-38,568.26-25,397.28

Finding the Fourth Proportional to 27,919.62, 38,568.26 and 25,397.28

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Solution

The fourth proportional to 27,919.62, 38,568.26 and 25,397.28 is: 35,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.62 : 38,568.26 = 25,397.28 : x
  2. Step 2: Convert to fraction form
    27,919.62/38,568.26 = 25,397.28/x
  3. Step 3: Cross multiply
    27,919.62x = 38,568.26 × 25,397.28
  4. Step 4: Simplify right side
    27,919.62x = 979,528,961.83
  5. Step 5: Solve for x
    x = 979,528,961.83/27,919.62
  6. Step 6: Final answer
    x = 35,083.89

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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.