Home / 26,942.40-40,413.60-17,611.20

Finding the Fourth Proportional to 26,942.40, 40,413.60 and 17,611.20

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Solution

The fourth proportional to 26,942.40, 40,413.60 and 17,611.20 is: 26,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.40 : 40,413.60 = 17,611.20 : x
  2. Step 2: Convert to fraction form
    26,942.40/40,413.60 = 17,611.20/x
  3. Step 3: Cross multiply
    26,942.40x = 40,413.60 × 17,611.20
  4. Step 4: Simplify right side
    26,942.40x = 711,731,992.32
  5. Step 5: Solve for x
    x = 711,731,992.32/26,942.40
  6. Step 6: Final answer
    x = 26,416.80

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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.