Home / 28,961.52-43,451.10-14,168.31

Finding the Fourth Proportional to 28,961.52, 43,451.10 and 14,168.31

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Solution

The fourth proportional to 28,961.52, 43,451.10 and 14,168.31 is: 21,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.52 : 43,451.10 = 14,168.31 : x
  2. Step 2: Convert to fraction form
    28,961.52/43,451.10 = 14,168.31/x
  3. Step 3: Cross multiply
    28,961.52x = 43,451.10 × 14,168.31
  4. Step 4: Simplify right side
    28,961.52x = 615,628,654.64
  5. Step 5: Solve for x
    x = 615,628,654.64/28,961.52
  6. Step 6: Final answer
    x = 21,256.78

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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.