Home / 27,659.68-38,190-17,052.64

Finding the Fourth Proportional to 27,659.68, 38,190 and 17,052.64

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Solution

The fourth proportional to 27,659.68, 38,190 and 17,052.64 is: 23,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.68 : 38,190 = 17,052.64 : x
  2. Step 2: Convert to fraction form
    27,659.68/38,190 = 17,052.64/x
  3. Step 3: Cross multiply
    27,659.68x = 38,190 × 17,052.64
  4. Step 4: Simplify right side
    27,659.68x = 651,240,321.60
  5. Step 5: Solve for x
    x = 651,240,321.60/27,659.68
  6. Step 6: Final answer
    x = 23,544.75

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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.