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Finding the Fourth Proportional to 22,673.71, 33,977.62 and 12,791.98

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Solution

The fourth proportional to 22,673.71, 33,977.62 and 12,791.98 is: 19,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,673.71 : 33,977.62 = 12,791.98 : x
  2. Step 2: Convert to fraction form
    22,673.71/33,977.62 = 12,791.98/x
  3. Step 3: Cross multiply
    22,673.71x = 33,977.62 × 12,791.98
  4. Step 4: Simplify right side
    22,673.71x = 434,641,035.49
  5. Step 5: Solve for x
    x = 434,641,035.49/22,673.71
  6. Step 6: Final answer
    x = 19,169.38

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1.5x scale

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.