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Finding the Fourth Proportional to 57,366.60, 86,072.67 and 25,768.08

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Solution

The fourth proportional to 57,366.60, 86,072.67 and 25,768.08 is: 38,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.60 : 86,072.67 = 25,768.08 : x
  2. Step 2: Convert to fraction form
    57,366.60/86,072.67 = 25,768.08/x
  3. Step 3: Cross multiply
    57,366.60x = 86,072.67 × 25,768.08
  4. Step 4: Simplify right side
    57,366.60x = 2,217,927,446.37
  5. Step 5: Solve for x
    x = 2,217,927,446.37/57,366.60
  6. Step 6: Final answer
    x = 38,662.35

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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.