Home / 26,379.80-36,403.44-15,048.44

Finding the Fourth Proportional to 26,379.80, 36,403.44 and 15,048.44

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Solution

The fourth proportional to 26,379.80, 36,403.44 and 15,048.44 is: 20,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.80 : 36,403.44 = 15,048.44 : x
  2. Step 2: Convert to fraction form
    26,379.80/36,403.44 = 15,048.44/x
  3. Step 3: Cross multiply
    26,379.80x = 36,403.44 × 15,048.44
  4. Step 4: Simplify right side
    26,379.80x = 547,814,982.63
  5. Step 5: Solve for x
    x = 547,814,982.63/26,379.80
  6. Step 6: Final answer
    x = 20,766.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.