Home / 26,942.20-40,413.30-7,220.26

Finding the Fourth Proportional to 26,942.20, 40,413.30 and 7,220.26

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Solution

The fourth proportional to 26,942.20, 40,413.30 and 7,220.26 is: 10,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.20 : 40,413.30 = 7,220.26 : x
  2. Step 2: Convert to fraction form
    26,942.20/40,413.30 = 7,220.26/x
  3. Step 3: Cross multiply
    26,942.20x = 40,413.30 × 7,220.26
  4. Step 4: Simplify right side
    26,942.20x = 291,794,533.46
  5. Step 5: Solve for x
    x = 291,794,533.46/26,942.20
  6. Step 6: Final answer
    x = 10,830.39

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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.