Home / 26,440.52-39,644.94-8,420.96

Finding the Fourth Proportional to 26,440.52, 39,644.94 and 8,420.96

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Solution

The fourth proportional to 26,440.52, 39,644.94 and 8,420.96 is: 12,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.52 : 39,644.94 = 8,420.96 : x
  2. Step 2: Convert to fraction form
    26,440.52/39,644.94 = 8,420.96/x
  3. Step 3: Cross multiply
    26,440.52x = 39,644.94 × 8,420.96
  4. Step 4: Simplify right side
    26,440.52x = 333,848,453.94
  5. Step 5: Solve for x
    x = 333,848,453.94/26,440.52
  6. Step 6: Final answer
    x = 12,626.40

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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.