Home / 27,383.36-37,791.36-15,447.84

Finding the Fourth Proportional to 27,383.36, 37,791.36 and 15,447.84

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Solution

The fourth proportional to 27,383.36, 37,791.36 and 15,447.84 is: 21,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.36 : 37,791.36 = 15,447.84 : x
  2. Step 2: Convert to fraction form
    27,383.36/37,791.36 = 15,447.84/x
  3. Step 3: Cross multiply
    27,383.36x = 37,791.36 × 15,447.84
  4. Step 4: Simplify right side
    27,383.36x = 583,794,882.66
  5. Step 5: Solve for x
    x = 583,794,882.66/27,383.36
  6. Step 6: Final answer
    x = 21,319.33

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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.