Home / 26,803.80-40,175.60-12,579.26

Finding the Fourth Proportional to 26,803.80, 40,175.60 and 12,579.26

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Solution

The fourth proportional to 26,803.80, 40,175.60 and 12,579.26 is: 18,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803.80 : 40,175.60 = 12,579.26 : x
  2. Step 2: Convert to fraction form
    26,803.80/40,175.60 = 12,579.26/x
  3. Step 3: Cross multiply
    26,803.80x = 40,175.60 × 12,579.26
  4. Step 4: Simplify right side
    26,803.80x = 505,379,054.28
  5. Step 5: Solve for x
    x = 505,379,054.28/26,803.80
  6. Step 6: Final answer
    x = 18,854.75

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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.