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Finding the Fourth Proportional to 29,289.52, 43,978 and 28,852.12

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Solution

The fourth proportional to 29,289.52, 43,978 and 28,852.12 is: 43,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.52 : 43,978 = 28,852.12 : x
  2. Step 2: Convert to fraction form
    29,289.52/43,978 = 28,852.12/x
  3. Step 3: Cross multiply
    29,289.52x = 43,978 × 28,852.12
  4. Step 4: Simplify right side
    29,289.52x = 1,268,858,533.36
  5. Step 5: Solve for x
    x = 1,268,858,533.36/29,289.52
  6. Step 6: Final answer
    x = 43,321.25

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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.