Home / 27,836.73-38,395.42-17,220.06

Finding the Fourth Proportional to 27,836.73, 38,395.42 and 17,220.06

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Solution

The fourth proportional to 27,836.73, 38,395.42 and 17,220.06 is: 23,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.73 : 38,395.42 = 17,220.06 : x
  2. Step 2: Convert to fraction form
    27,836.73/38,395.42 = 17,220.06/x
  3. Step 3: Cross multiply
    27,836.73x = 38,395.42 × 17,220.06
  4. Step 4: Simplify right side
    27,836.73x = 661,171,393.08
  5. Step 5: Solve for x
    x = 661,171,393.08/27,836.73
  6. Step 6: Final answer
    x = 23,751.76

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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.