Home / 26,920.44-40,377.51-7,200.54

Finding the Fourth Proportional to 26,920.44, 40,377.51 and 7,200.54

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Solution

The fourth proportional to 26,920.44, 40,377.51 and 7,200.54 is: 10,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.44 : 40,377.51 = 7,200.54 : x
  2. Step 2: Convert to fraction form
    26,920.44/40,377.51 = 7,200.54/x
  3. Step 3: Cross multiply
    26,920.44x = 40,377.51 × 7,200.54
  4. Step 4: Simplify right side
    26,920.44x = 290,739,875.86
  5. Step 5: Solve for x
    x = 290,739,875.86/26,920.44
  6. Step 6: Final answer
    x = 10,799.97

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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.