Home / 28,957.89-43,444.14-8,181.39

Finding the Fourth Proportional to 28,957.89, 43,444.14 and 8,181.39

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Solution

The fourth proportional to 28,957.89, 43,444.14 and 8,181.39 is: 12,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.89 : 43,444.14 = 8,181.39 : x
  2. Step 2: Convert to fraction form
    28,957.89/43,444.14 = 8,181.39/x
  3. Step 3: Cross multiply
    28,957.89x = 43,444.14 × 8,181.39
  4. Step 4: Simplify right side
    28,957.89x = 355,433,452.55
  5. Step 5: Solve for x
    x = 355,433,452.55/28,957.89
  6. Step 6: Final answer
    x = 12,274.15

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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.