Home / 26,774.34-40,120.83-21,204.42

Finding the Fourth Proportional to 26,774.34, 40,120.83 and 21,204.42

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Solution

The fourth proportional to 26,774.34, 40,120.83 and 21,204.42 is: 31,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,774.34 : 40,120.83 = 21,204.42 : x
  2. Step 2: Convert to fraction form
    26,774.34/40,120.83 = 21,204.42/x
  3. Step 3: Cross multiply
    26,774.34x = 40,120.83 × 21,204.42
  4. Step 4: Simplify right side
    26,774.34x = 850,738,930.07
  5. Step 5: Solve for x
    x = 850,738,930.07/26,774.34
  6. Step 6: Final answer
    x = 31,774.41

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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.