Home / 26,889.65-40,336.61-8,171.32

Finding the Fourth Proportional to 26,889.65, 40,336.61 and 8,171.32

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Solution

The fourth proportional to 26,889.65, 40,336.61 and 8,171.32 is: 12,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.65 : 40,336.61 = 8,171.32 : x
  2. Step 2: Convert to fraction form
    26,889.65/40,336.61 = 8,171.32/x
  3. Step 3: Cross multiply
    26,889.65x = 40,336.61 × 8,171.32
  4. Step 4: Simplify right side
    26,889.65x = 329,603,348.03
  5. Step 5: Solve for x
    x = 329,603,348.03/26,889.65
  6. Step 6: Final answer
    x = 12,257.63

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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.