Home / 26,968.92-40,399.99-12,717.89

Finding the Fourth Proportional to 26,968.92, 40,399.99 and 12,717.89

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Solution

The fourth proportional to 26,968.92, 40,399.99 and 12,717.89 is: 19,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.92 : 40,399.99 = 12,717.89 : x
  2. Step 2: Convert to fraction form
    26,968.92/40,399.99 = 12,717.89/x
  3. Step 3: Cross multiply
    26,968.92x = 40,399.99 × 12,717.89
  4. Step 4: Simplify right side
    26,968.92x = 513,802,363.23
  5. Step 5: Solve for x
    x = 513,802,363.23/26,968.92
  6. Step 6: Final answer
    x = 19,051.65

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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.