Home / 28,766.66-43,147.15-9,044.69

Finding the Fourth Proportional to 28,766.66, 43,147.15 and 9,044.69

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Solution

The fourth proportional to 28,766.66, 43,147.15 and 9,044.69 is: 13,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.66 : 43,147.15 = 9,044.69 : x
  2. Step 2: Convert to fraction form
    28,766.66/43,147.15 = 9,044.69/x
  3. Step 3: Cross multiply
    28,766.66x = 43,147.15 × 9,044.69
  4. Step 4: Simplify right side
    28,766.66x = 390,252,357.79
  5. Step 5: Solve for x
    x = 390,252,357.79/28,766.66
  6. Step 6: Final answer
    x = 13,566.14

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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.