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Finding the Fourth Proportional to 29,466.97, 40,665.28 and 16,039.09

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Solution

The fourth proportional to 29,466.97, 40,665.28 and 16,039.09 is: 22,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,466.97 : 40,665.28 = 16,039.09 : x
  2. Step 2: Convert to fraction form
    29,466.97/40,665.28 = 16,039.09/x
  3. Step 3: Cross multiply
    29,466.97x = 40,665.28 × 16,039.09
  4. Step 4: Simplify right side
    29,466.97x = 652,234,085.80
  5. Step 5: Solve for x
    x = 652,234,085.80/29,466.97
  6. Step 6: Final answer
    x = 22,134.41

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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.