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Finding the Fourth Proportional to 57,173.80, 85,762.50 and 17,731.22

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Solution

The fourth proportional to 57,173.80, 85,762.50 and 17,731.22 is: 26,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,173.80 : 85,762.50 = 17,731.22 : x
  2. Step 2: Convert to fraction form
    57,173.80/85,762.50 = 17,731.22/x
  3. Step 3: Cross multiply
    57,173.80x = 85,762.50 × 17,731.22
  4. Step 4: Simplify right side
    57,173.80x = 1,520,673,755.25
  5. Step 5: Solve for x
    x = 1,520,673,755.25/57,173.80
  6. Step 6: Final answer
    x = 26,597.39

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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.