Home / 26,989.58-40,474.65-11,408.42

Finding the Fourth Proportional to 26,989.58, 40,474.65 and 11,408.42

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Solution

The fourth proportional to 26,989.58, 40,474.65 and 11,408.42 is: 17,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.58 : 40,474.65 = 11,408.42 : x
  2. Step 2: Convert to fraction form
    26,989.58/40,474.65 = 11,408.42/x
  3. Step 3: Cross multiply
    26,989.58x = 40,474.65 × 11,408.42
  4. Step 4: Simplify right side
    26,989.58x = 461,751,950.52
  5. Step 5: Solve for x
    x = 461,751,950.52/26,989.58
  6. Step 6: Final answer
    x = 17,108.53

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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.