Home / 28,823.20-43,233.16-8,046.72

Finding the Fourth Proportional to 28,823.20, 43,233.16 and 8,046.72

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Solution

The fourth proportional to 28,823.20, 43,233.16 and 8,046.72 is: 12,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.20 : 43,233.16 = 8,046.72 : x
  2. Step 2: Convert to fraction form
    28,823.20/43,233.16 = 8,046.72/x
  3. Step 3: Cross multiply
    28,823.20x = 43,233.16 × 8,046.72
  4. Step 4: Simplify right side
    28,823.20x = 347,885,133.24
  5. Step 5: Solve for x
    x = 347,885,133.24/28,823.20
  6. Step 6: Final answer
    x = 12,069.62

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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.