Home / 26,327.20-39,490.80-7,607.20

Finding the Fourth Proportional to 26,327.20, 39,490.80 and 7,607.20

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Solution

The fourth proportional to 26,327.20, 39,490.80 and 7,607.20 is: 11,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.20 : 39,490.80 = 7,607.20 : x
  2. Step 2: Convert to fraction form
    26,327.20/39,490.80 = 7,607.20/x
  3. Step 3: Cross multiply
    26,327.20x = 39,490.80 × 7,607.20
  4. Step 4: Simplify right side
    26,327.20x = 300,414,413.76
  5. Step 5: Solve for x
    x = 300,414,413.76/26,327.20
  6. Step 6: Final answer
    x = 11,410.80

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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.