Home / 26,879.40-40,323.96-11,075.64

Finding the Fourth Proportional to 26,879.40, 40,323.96 and 11,075.64

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Solution

The fourth proportional to 26,879.40, 40,323.96 and 11,075.64 is: 16,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.40 : 40,323.96 = 11,075.64 : x
  2. Step 2: Convert to fraction form
    26,879.40/40,323.96 = 11,075.64/x
  3. Step 3: Cross multiply
    26,879.40x = 40,323.96 × 11,075.64
  4. Step 4: Simplify right side
    26,879.40x = 446,613,664.33
  5. Step 5: Solve for x
    x = 446,613,664.33/26,879.40
  6. Step 6: Final answer
    x = 16,615.46

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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.