Home / 27,365.97-37,764.33-15,429.21

Finding the Fourth Proportional to 27,365.97, 37,764.33 and 15,429.21

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Solution

The fourth proportional to 27,365.97, 37,764.33 and 15,429.21 is: 21,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.97 : 37,764.33 = 15,429.21 : x
  2. Step 2: Convert to fraction form
    27,365.97/37,764.33 = 15,429.21/x
  3. Step 3: Cross multiply
    27,365.97x = 37,764.33 × 15,429.21
  4. Step 4: Simplify right side
    27,365.97x = 582,673,778.08
  5. Step 5: Solve for x
    x = 582,673,778.08/27,365.97
  6. Step 6: Final answer
    x = 21,291.91

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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.