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Finding the Fourth Proportional to 29,745.28, 44,687.64 and 28,064.08

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Solution

The fourth proportional to 29,745.28, 44,687.64 and 28,064.08 is: 42,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,745.28 : 44,687.64 = 28,064.08 : x
  2. Step 2: Convert to fraction form
    29,745.28/44,687.64 = 28,064.08/x
  3. Step 3: Cross multiply
    29,745.28x = 44,687.64 × 28,064.08
  4. Step 4: Simplify right side
    29,745.28x = 1,254,117,503.97
  5. Step 5: Solve for x
    x = 1,254,117,503.97/29,745.28
  6. Step 6: Final answer
    x = 42,161.90

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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.