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Finding the Fourth Proportional to 27,313.20, 40,969.80 and 23,857.20

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Solution

The fourth proportional to 27,313.20, 40,969.80 and 23,857.20 is: 35,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.20 : 40,969.80 = 23,857.20 : x
  2. Step 2: Convert to fraction form
    27,313.20/40,969.80 = 23,857.20/x
  3. Step 3: Cross multiply
    27,313.20x = 40,969.80 × 23,857.20
  4. Step 4: Simplify right side
    27,313.20x = 977,424,712.56
  5. Step 5: Solve for x
    x = 977,424,712.56/27,313.20
  6. Step 6: Final answer
    x = 35,785.80

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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.