Home / 28,462.38-42,664.40-11,832.06

Finding the Fourth Proportional to 28,462.38, 42,664.40 and 11,832.06

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Solution

The fourth proportional to 28,462.38, 42,664.40 and 11,832.06 is: 17,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.38 : 42,664.40 = 11,832.06 : x
  2. Step 2: Convert to fraction form
    28,462.38/42,664.40 = 11,832.06/x
  3. Step 3: Cross multiply
    28,462.38x = 42,664.40 × 11,832.06
  4. Step 4: Simplify right side
    28,462.38x = 504,807,740.66
  5. Step 5: Solve for x
    x = 504,807,740.66/28,462.38
  6. Step 6: Final answer
    x = 17,735.96

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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.