Home / 26,720.50-40,081.30-8,252.50

Finding the Fourth Proportional to 26,720.50, 40,081.30 and 8,252.50

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Solution

The fourth proportional to 26,720.50, 40,081.30 and 8,252.50 is: 12,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.50 : 40,081.30 = 8,252.50 : x
  2. Step 2: Convert to fraction form
    26,720.50/40,081.30 = 8,252.50/x
  3. Step 3: Cross multiply
    26,720.50x = 40,081.30 × 8,252.50
  4. Step 4: Simplify right side
    26,720.50x = 330,770,928.25
  5. Step 5: Solve for x
    x = 330,770,928.25/26,720.50
  6. Step 6: Final answer
    x = 12,378.92

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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.