Home / 28,672.56-43,005.60-9,949.32

Finding the Fourth Proportional to 28,672.56, 43,005.60 and 9,949.32

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Solution

The fourth proportional to 28,672.56, 43,005.60 and 9,949.32 is: 14,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.56 : 43,005.60 = 9,949.32 : x
  2. Step 2: Convert to fraction form
    28,672.56/43,005.60 = 9,949.32/x
  3. Step 3: Cross multiply
    28,672.56x = 43,005.60 × 9,949.32
  4. Step 4: Simplify right side
    28,672.56x = 427,876,476.19
  5. Step 5: Solve for x
    x = 427,876,476.19/28,672.56
  6. Step 6: Final answer
    x = 14,922.86

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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.