Home / 28,958.27-43,444.89-8,181.77

Finding the Fourth Proportional to 28,958.27, 43,444.89 and 8,181.77

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Solution

The fourth proportional to 28,958.27, 43,444.89 and 8,181.77 is: 12,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.27 : 43,444.89 = 8,181.77 : x
  2. Step 2: Convert to fraction form
    28,958.27/43,444.89 = 8,181.77/x
  3. Step 3: Cross multiply
    28,958.27x = 43,444.89 × 8,181.77
  4. Step 4: Simplify right side
    28,958.27x = 355,455,880.43
  5. Step 5: Solve for x
    x = 355,455,880.43/28,958.27
  6. Step 6: Final answer
    x = 12,274.76

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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.