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Finding the Fourth Proportional to 44,008.41, 66,011.90 and 10,728.57

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Solution

The fourth proportional to 44,008.41, 66,011.90 and 10,728.57 is: 16,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,008.41 : 66,011.90 = 10,728.57 : x
  2. Step 2: Convert to fraction form
    44,008.41/66,011.90 = 10,728.57/x
  3. Step 3: Cross multiply
    44,008.41x = 66,011.90 × 10,728.57
  4. Step 4: Simplify right side
    44,008.41x = 708,213,236.34
  5. Step 5: Solve for x
    x = 708,213,236.34/44,008.41
  6. Step 6: Final answer
    x = 16,092.68

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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.