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Finding the Fourth Proportional to 26,762.40, 40,127.40 and 11,968.56

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Solution

The fourth proportional to 26,762.40, 40,127.40 and 11,968.56 is: 17,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.40 : 40,127.40 = 11,968.56 : x
  2. Step 2: Convert to fraction form
    26,762.40/40,127.40 = 11,968.56/x
  3. Step 3: Cross multiply
    26,762.40x = 40,127.40 × 11,968.56
  4. Step 4: Simplify right side
    26,762.40x = 480,267,194.54
  5. Step 5: Solve for x
    x = 480,267,194.54/26,762.40
  6. Step 6: Final answer
    x = 17,945.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.