Home / 23,229.36-34,809.36-19,877.76

Finding the Fourth Proportional to 23,229.36, 34,809.36 and 19,877.76

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Solution

The fourth proportional to 23,229.36, 34,809.36 and 19,877.76 is: 29,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,229.36 : 34,809.36 = 19,877.76 : x
  2. Step 2: Convert to fraction form
    23,229.36/34,809.36 = 19,877.76/x
  3. Step 3: Cross multiply
    23,229.36x = 34,809.36 × 19,877.76
  4. Step 4: Simplify right side
    23,229.36x = 691,932,103.83
  5. Step 5: Solve for x
    x = 691,932,103.83/23,229.36
  6. Step 6: Final answer
    x = 29,786.96

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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.