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Finding the Fourth Proportional to 57,272.82, 85,892.76 and 23,992.08

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Solution

The fourth proportional to 57,272.82, 85,892.76 and 23,992.08 is: 35,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.82 : 85,892.76 = 23,992.08 : x
  2. Step 2: Convert to fraction form
    57,272.82/85,892.76 = 23,992.08/x
  3. Step 3: Cross multiply
    57,272.82x = 85,892.76 × 23,992.08
  4. Step 4: Simplify right side
    57,272.82x = 2,060,745,969.34
  5. Step 5: Solve for x
    x = 2,060,745,969.34/57,272.82
  6. Step 6: Final answer
    x = 35,981.22

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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.