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Finding the Fourth Proportional to 29,442.87, 44,164.35 and 7,256.66

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Solution

The fourth proportional to 29,442.87, 44,164.35 and 7,256.66 is: 10,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.87 : 44,164.35 = 7,256.66 : x
  2. Step 2: Convert to fraction form
    29,442.87/44,164.35 = 7,256.66/x
  3. Step 3: Cross multiply
    29,442.87x = 44,164.35 × 7,256.66
  4. Step 4: Simplify right side
    29,442.87x = 320,485,451.25
  5. Step 5: Solve for x
    x = 320,485,451.25/29,442.87
  6. Step 6: Final answer
    x = 10,884.99

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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.