Home / 23,238.88-34,857.40-20,108.73

Finding the Fourth Proportional to 23,238.88, 34,857.40 and 20,108.73

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Solution

The fourth proportional to 23,238.88, 34,857.40 and 20,108.73 is: 30,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,238.88 : 34,857.40 = 20,108.73 : x
  2. Step 2: Convert to fraction form
    23,238.88/34,857.40 = 20,108.73/x
  3. Step 3: Cross multiply
    23,238.88x = 34,857.40 × 20,108.73
  4. Step 4: Simplify right side
    23,238.88x = 700,938,045.10
  5. Step 5: Solve for x
    x = 700,938,045.10/23,238.88
  6. Step 6: Final answer
    x = 30,162.30

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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.