Home / 27,971.10-38,600.82-15,224.97

Finding the Fourth Proportional to 27,971.10, 38,600.82 and 15,224.97

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Solution

The fourth proportional to 27,971.10, 38,600.82 and 15,224.97 is: 21,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.10 : 38,600.82 = 15,224.97 : x
  2. Step 2: Convert to fraction form
    27,971.10/38,600.82 = 15,224.97/x
  3. Step 3: Cross multiply
    27,971.10x = 38,600.82 × 15,224.97
  4. Step 4: Simplify right side
    27,971.10x = 587,696,326.48
  5. Step 5: Solve for x
    x = 587,696,326.48/27,971.10
  6. Step 6: Final answer
    x = 21,010.84

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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.