Home / 26,435.70-39,650.85-8,905.68

Finding the Fourth Proportional to 26,435.70, 39,650.85 and 8,905.68

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Solution

The fourth proportional to 26,435.70, 39,650.85 and 8,905.68 is: 13,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.70 : 39,650.85 = 8,905.68 : x
  2. Step 2: Convert to fraction form
    26,435.70/39,650.85 = 8,905.68/x
  3. Step 3: Cross multiply
    26,435.70x = 39,650.85 × 8,905.68
  4. Step 4: Simplify right side
    26,435.70x = 353,117,781.83
  5. Step 5: Solve for x
    x = 353,117,781.83/26,435.70
  6. Step 6: Final answer
    x = 13,357.61

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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.