Home / 27,712.62-38,241.99-15,134.94

Finding the Fourth Proportional to 27,712.62, 38,241.99 and 15,134.94

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Solution

The fourth proportional to 27,712.62, 38,241.99 and 15,134.94 is: 20,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.62 : 38,241.99 = 15,134.94 : x
  2. Step 2: Convert to fraction form
    27,712.62/38,241.99 = 15,134.94/x
  3. Step 3: Cross multiply
    27,712.62x = 38,241.99 × 15,134.94
  4. Step 4: Simplify right side
    27,712.62x = 578,790,224.13
  5. Step 5: Solve for x
    x = 578,790,224.13/27,712.62
  6. Step 6: Final answer
    x = 20,885.44

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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.