Home / 26,164.35-39,234.78-8,391.74

Finding the Fourth Proportional to 26,164.35, 39,234.78 and 8,391.74

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Solution

The fourth proportional to 26,164.35, 39,234.78 and 8,391.74 is: 12,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.35 : 39,234.78 = 8,391.74 : x
  2. Step 2: Convert to fraction form
    26,164.35/39,234.78 = 8,391.74/x
  3. Step 3: Cross multiply
    26,164.35x = 39,234.78 × 8,391.74
  4. Step 4: Simplify right side
    26,164.35x = 329,247,876.54
  5. Step 5: Solve for x
    x = 329,247,876.54/26,164.35
  6. Step 6: Final answer
    x = 12,583.84

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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.