Home / 28,999.54-43,572.21-18,474.29

Finding the Fourth Proportional to 28,999.54, 43,572.21 and 18,474.29

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Solution

The fourth proportional to 28,999.54, 43,572.21 and 18,474.29 is: 27,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.54 : 43,572.21 = 18,474.29 : x
  2. Step 2: Convert to fraction form
    28,999.54/43,572.21 = 18,474.29/x
  3. Step 3: Cross multiply
    28,999.54x = 43,572.21 × 18,474.29
  4. Step 4: Simplify right side
    28,999.54x = 804,965,643.48
  5. Step 5: Solve for x
    x = 804,965,643.48/28,999.54
  6. Step 6: Final answer
    x = 27,757.88

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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.