Home / 27,241.28-37,578.84-18,291.90

Finding the Fourth Proportional to 27,241.28, 37,578.84 and 18,291.90

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Solution

The fourth proportional to 27,241.28, 37,578.84 and 18,291.90 is: 25,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,241.28 : 37,578.84 = 18,291.90 : x
  2. Step 2: Convert to fraction form
    27,241.28/37,578.84 = 18,291.90/x
  3. Step 3: Cross multiply
    27,241.28x = 37,578.84 × 18,291.90
  4. Step 4: Simplify right side
    27,241.28x = 687,388,383.40
  5. Step 5: Solve for x
    x = 687,388,383.40/27,241.28
  6. Step 6: Final answer
    x = 25,233.34

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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.