Home / 26,688.44-40,039.62-7,968.48

Finding the Fourth Proportional to 26,688.44, 40,039.62 and 7,968.48

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Solution

The fourth proportional to 26,688.44, 40,039.62 and 7,968.48 is: 11,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.44 : 40,039.62 = 7,968.48 : x
  2. Step 2: Convert to fraction form
    26,688.44/40,039.62 = 7,968.48/x
  3. Step 3: Cross multiply
    26,688.44x = 40,039.62 × 7,968.48
  4. Step 4: Simplify right side
    26,688.44x = 319,054,911.18
  5. Step 5: Solve for x
    x = 319,054,911.18/26,688.44
  6. Step 6: Final answer
    x = 11,954.80

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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.