Home / 27,998.49-38,635.11-17,241.64

Finding the Fourth Proportional to 27,998.49, 38,635.11 and 17,241.64

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Solution

The fourth proportional to 27,998.49, 38,635.11 and 17,241.64 is: 23,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.49 : 38,635.11 = 17,241.64 : x
  2. Step 2: Convert to fraction form
    27,998.49/38,635.11 = 17,241.64/x
  3. Step 3: Cross multiply
    27,998.49x = 38,635.11 × 17,241.64
  4. Step 4: Simplify right side
    27,998.49x = 666,132,657.98
  5. Step 5: Solve for x
    x = 666,132,657.98/27,998.49
  6. Step 6: Final answer
    x = 23,791.74

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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.