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Finding the Fourth Proportional to 10,035.39, 15,051.89 and 2,640.42

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Solution

The fourth proportional to 10,035.39, 15,051.89 and 2,640.42 is: 3,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.39 : 15,051.89 = 2,640.42 : x
  2. Step 2: Convert to fraction form
    10,035.39/15,051.89 = 2,640.42/x
  3. Step 3: Cross multiply
    10,035.39x = 15,051.89 × 2,640.42
  4. Step 4: Simplify right side
    10,035.39x = 39,743,298.19
  5. Step 5: Solve for x
    x = 39,743,298.19/10,035.39
  6. Step 6: Final answer
    x = 3,960.31

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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.