Home / 26,531.49-39,797.73-21,241.92

Finding the Fourth Proportional to 26,531.49, 39,797.73 and 21,241.92

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Solution

The fourth proportional to 26,531.49, 39,797.73 and 21,241.92 is: 31,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.49 : 39,797.73 = 21,241.92 : x
  2. Step 2: Convert to fraction form
    26,531.49/39,797.73 = 21,241.92/x
  3. Step 3: Cross multiply
    26,531.49x = 39,797.73 × 21,241.92
  4. Step 4: Simplify right side
    26,531.49x = 845,380,196.84
  5. Step 5: Solve for x
    x = 845,380,196.84/26,531.49
  6. Step 6: Final answer
    x = 31,863.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.