Home / 26,919.86-40,376.96-7,200.41

Finding the Fourth Proportional to 26,919.86, 40,376.96 and 7,200.41

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Solution

The fourth proportional to 26,919.86, 40,376.96 and 7,200.41 is: 10,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.86 : 40,376.96 = 7,200.41 : x
  2. Step 2: Convert to fraction form
    26,919.86/40,376.96 = 7,200.41/x
  3. Step 3: Cross multiply
    26,919.86x = 40,376.96 × 7,200.41
  4. Step 4: Simplify right side
    26,919.86x = 290,730,630.55
  5. Step 5: Solve for x
    x = 290,730,630.55/26,919.86
  6. Step 6: Final answer
    x = 10,799.86

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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.