Home / 26,691.22-40,041.48-11,899.81

Finding the Fourth Proportional to 26,691.22, 40,041.48 and 11,899.81

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Solution

The fourth proportional to 26,691.22, 40,041.48 and 11,899.81 is: 17,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.22 : 40,041.48 = 11,899.81 : x
  2. Step 2: Convert to fraction form
    26,691.22/40,041.48 = 11,899.81/x
  3. Step 3: Cross multiply
    26,691.22x = 40,041.48 × 11,899.81
  4. Step 4: Simplify right side
    26,691.22x = 476,485,803.91
  5. Step 5: Solve for x
    x = 476,485,803.91/26,691.22
  6. Step 6: Final answer
    x = 17,851.78

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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.