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Finding the Fourth Proportional to 43,837, 65,764.14 and 14,255.56

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Solution

The fourth proportional to 43,837, 65,764.14 and 14,255.56 is: 21,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,837 : 65,764.14 = 14,255.56 : x
  2. Step 2: Convert to fraction form
    43,837/65,764.14 = 14,255.56/x
  3. Step 3: Cross multiply
    43,837x = 65,764.14 × 14,255.56
  4. Step 4: Simplify right side
    43,837x = 937,504,643.62
  5. Step 5: Solve for x
    x = 937,504,643.62/43,837
  6. Step 6: Final answer
    x = 21,386.15

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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.