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Finding the Fourth Proportional to 28,999.53, 40,022.16 and 16,254.88

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Solution

The fourth proportional to 28,999.53, 40,022.16 and 16,254.88 is: 22,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.53 : 40,022.16 = 16,254.88 : x
  2. Step 2: Convert to fraction form
    28,999.53/40,022.16 = 16,254.88/x
  3. Step 3: Cross multiply
    28,999.53x = 40,022.16 × 16,254.88
  4. Step 4: Simplify right side
    28,999.53x = 650,555,469.10
  5. Step 5: Solve for x
    x = 650,555,469.10/28,999.53
  6. Step 6: Final answer
    x = 22,433.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.