Home / 27,930.36-38,546.04-15,997.44

Finding the Fourth Proportional to 27,930.36, 38,546.04 and 15,997.44

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Solution

The fourth proportional to 27,930.36, 38,546.04 and 15,997.44 is: 22,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.36 : 38,546.04 = 15,997.44 : x
  2. Step 2: Convert to fraction form
    27,930.36/38,546.04 = 15,997.44/x
  3. Step 3: Cross multiply
    27,930.36x = 38,546.04 × 15,997.44
  4. Step 4: Simplify right side
    27,930.36x = 616,637,962.14
  5. Step 5: Solve for x
    x = 616,637,962.14/27,930.36
  6. Step 6: Final answer
    x = 22,077.69

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1.5x scale

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.