Home / 27,671.96-38,189.82-15,735.26

Finding the Fourth Proportional to 27,671.96, 38,189.82 and 15,735.26

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Solution

The fourth proportional to 27,671.96, 38,189.82 and 15,735.26 is: 21,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.96 : 38,189.82 = 15,735.26 : x
  2. Step 2: Convert to fraction form
    27,671.96/38,189.82 = 15,735.26/x
  3. Step 3: Cross multiply
    27,671.96x = 38,189.82 × 15,735.26
  4. Step 4: Simplify right side
    27,671.96x = 600,926,747.05
  5. Step 5: Solve for x
    x = 600,926,747.05/27,671.96
  6. Step 6: Final answer
    x = 21,716.09

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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.