Home / 26,761.32-40,135.68-11,962.08

Finding the Fourth Proportional to 26,761.32, 40,135.68 and 11,962.08

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Solution

The fourth proportional to 26,761.32, 40,135.68 and 11,962.08 is: 17,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.32 : 40,135.68 = 11,962.08 : x
  2. Step 2: Convert to fraction form
    26,761.32/40,135.68 = 11,962.08/x
  3. Step 3: Cross multiply
    26,761.32x = 40,135.68 × 11,962.08
  4. Step 4: Simplify right side
    26,761.32x = 480,106,215.01
  5. Step 5: Solve for x
    x = 480,106,215.01/26,761.32
  6. Step 6: Final answer
    x = 17,940.30

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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.