Home / 26,376.89-39,512.32-12,317.52

Finding the Fourth Proportional to 26,376.89, 39,512.32 and 12,317.52

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Solution

The fourth proportional to 26,376.89, 39,512.32 and 12,317.52 is: 18,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.89 : 39,512.32 = 12,317.52 : x
  2. Step 2: Convert to fraction form
    26,376.89/39,512.32 = 12,317.52/x
  3. Step 3: Cross multiply
    26,376.89x = 39,512.32 × 12,317.52
  4. Step 4: Simplify right side
    26,376.89x = 486,693,791.85
  5. Step 5: Solve for x
    x = 486,693,791.85/26,376.89
  6. Step 6: Final answer
    x = 18,451.52

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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.