Home / 28,842.72-43,246.56-11,291.52

Finding the Fourth Proportional to 28,842.72, 43,246.56 and 11,291.52

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Solution

The fourth proportional to 28,842.72, 43,246.56 and 11,291.52 is: 16,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.72 : 43,246.56 = 11,291.52 : x
  2. Step 2: Convert to fraction form
    28,842.72/43,246.56 = 11,291.52/x
  3. Step 3: Cross multiply
    28,842.72x = 43,246.56 × 11,291.52
  4. Step 4: Simplify right side
    28,842.72x = 488,319,397.17
  5. Step 5: Solve for x
    x = 488,319,397.17/28,842.72
  6. Step 6: Final answer
    x = 16,930.42

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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.