Home / 17,739.48-26,611.80-5,257.90

Finding the Fourth Proportional to 17,739.48, 26,611.80 and 5,257.90

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Solution

The fourth proportional to 17,739.48, 26,611.80 and 5,257.90 is: 7,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.48 : 26,611.80 = 5,257.90 : x
  2. Step 2: Convert to fraction form
    17,739.48/26,611.80 = 5,257.90/x
  3. Step 3: Cross multiply
    17,739.48x = 26,611.80 × 5,257.90
  4. Step 4: Simplify right side
    17,739.48x = 139,922,183.22
  5. Step 5: Solve for x
    x = 139,922,183.22/17,739.48
  6. Step 6: Final answer
    x = 7,887.61

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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.