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Finding the Fourth Proportional to 28,800, 43,204.32 and 10,336.32

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Solution

The fourth proportional to 28,800, 43,204.32 and 10,336.32 is: 15,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800 : 43,204.32 = 10,336.32 : x
  2. Step 2: Convert to fraction form
    28,800/43,204.32 = 10,336.32/x
  3. Step 3: Cross multiply
    28,800x = 43,204.32 × 10,336.32
  4. Step 4: Simplify right side
    28,800x = 446,573,676.90
  5. Step 5: Solve for x
    x = 446,573,676.90/28,800
  6. Step 6: Final answer
    x = 15,506.03

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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.