Home / 23,245.78-32,078.99-12,635.38

Finding the Fourth Proportional to 23,245.78, 32,078.99 and 12,635.38

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Solution

The fourth proportional to 23,245.78, 32,078.99 and 12,635.38 is: 17,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.78 : 32,078.99 = 12,635.38 : x
  2. Step 2: Convert to fraction form
    23,245.78/32,078.99 = 12,635.38/x
  3. Step 3: Cross multiply
    23,245.78x = 32,078.99 × 12,635.38
  4. Step 4: Simplify right side
    23,245.78x = 405,330,165.49
  5. Step 5: Solve for x
    x = 405,330,165.49/23,245.78
  6. Step 6: Final answer
    x = 17,436.72

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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.