Home / 28,904.73-43,374.11-11,379.57

Finding the Fourth Proportional to 28,904.73, 43,374.11 and 11,379.57

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Solution

The fourth proportional to 28,904.73, 43,374.11 and 11,379.57 is: 17,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.73 : 43,374.11 = 11,379.57 : x
  2. Step 2: Convert to fraction form
    28,904.73/43,374.11 = 11,379.57/x
  3. Step 3: Cross multiply
    28,904.73x = 43,374.11 × 11,379.57
  4. Step 4: Simplify right side
    28,904.73x = 493,578,664.03
  5. Step 5: Solve for x
    x = 493,578,664.03/28,904.73
  6. Step 6: Final answer
    x = 17,076.05

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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.