Home / 27,076.06-37,371.73-21,677.42

Finding the Fourth Proportional to 27,076.06, 37,371.73 and 21,677.42

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Solution

The fourth proportional to 27,076.06, 37,371.73 and 21,677.42 is: 29,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.06 : 37,371.73 = 21,677.42 : x
  2. Step 2: Convert to fraction form
    27,076.06/37,371.73 = 21,677.42/x
  3. Step 3: Cross multiply
    27,076.06x = 37,371.73 × 21,677.42
  4. Step 4: Simplify right side
    27,076.06x = 810,122,687.34
  5. Step 5: Solve for x
    x = 810,122,687.34/27,076.06
  6. Step 6: Final answer
    x = 29,920.26

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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.