Home / 23,135.97-34,717.77-21,253.78

Finding the Fourth Proportional to 23,135.97, 34,717.77 and 21,253.78

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Solution

The fourth proportional to 23,135.97, 34,717.77 and 21,253.78 is: 31,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.97 : 34,717.77 = 21,253.78 : x
  2. Step 2: Convert to fraction form
    23,135.97/34,717.77 = 21,253.78/x
  3. Step 3: Cross multiply
    23,135.97x = 34,717.77 × 21,253.78
  4. Step 4: Simplify right side
    23,135.97x = 737,883,758.88
  5. Step 5: Solve for x
    x = 737,883,758.88/23,135.97
  6. Step 6: Final answer
    x = 31,893.36

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1.5x scale

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.