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Finding the Fourth Proportional to 24,321.94, 33,564.27 and 13,143.94

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Solution

The fourth proportional to 24,321.94, 33,564.27 and 13,143.94 is: 18,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,321.94 : 33,564.27 = 13,143.94 : x
  2. Step 2: Convert to fraction form
    24,321.94/33,564.27 = 13,143.94/x
  3. Step 3: Cross multiply
    24,321.94x = 33,564.27 × 13,143.94
  4. Step 4: Simplify right side
    24,321.94x = 441,166,716.40
  5. Step 5: Solve for x
    x = 441,166,716.40/24,321.94
  6. Step 6: Final answer
    x = 18,138.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.