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Finding the Fourth Proportional to 27,755.53, 41,658.81 and 19,969.81

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Solution

The fourth proportional to 27,755.53, 41,658.81 and 19,969.81 is: 29,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.53 : 41,658.81 = 19,969.81 : x
  2. Step 2: Convert to fraction form
    27,755.53/41,658.81 = 19,969.81/x
  3. Step 3: Cross multiply
    27,755.53x = 41,658.81 × 19,969.81
  4. Step 4: Simplify right side
    27,755.53x = 831,918,520.53
  5. Step 5: Solve for x
    x = 831,918,520.53/27,755.53
  6. Step 6: Final answer
    x = 29,973.07

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1.5x scale

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.