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Finding the Fourth Proportional to 27,151.80, 40,727.70 and 8,683.80

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Solution

The fourth proportional to 27,151.80, 40,727.70 and 8,683.80 is: 13,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.80 : 40,727.70 = 8,683.80 : x
  2. Step 2: Convert to fraction form
    27,151.80/40,727.70 = 8,683.80/x
  3. Step 3: Cross multiply
    27,151.80x = 40,727.70 × 8,683.80
  4. Step 4: Simplify right side
    27,151.80x = 353,671,201.26
  5. Step 5: Solve for x
    x = 353,671,201.26/27,151.80
  6. Step 6: Final answer
    x = 13,025.70

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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.