Home / 26,906.88-40,361.40-9,378.48

Finding the Fourth Proportional to 26,906.88, 40,361.40 and 9,378.48

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Solution

The fourth proportional to 26,906.88, 40,361.40 and 9,378.48 is: 14,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.88 : 40,361.40 = 9,378.48 : x
  2. Step 2: Convert to fraction form
    26,906.88/40,361.40 = 9,378.48/x
  3. Step 3: Cross multiply
    26,906.88x = 40,361.40 × 9,378.48
  4. Step 4: Simplify right side
    26,906.88x = 378,528,582.67
  5. Step 5: Solve for x
    x = 378,528,582.67/26,906.88
  6. Step 6: Final answer
    x = 14,068.10

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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.