Home / 28,363.38-42,548.07-11,724.66

Finding the Fourth Proportional to 28,363.38, 42,548.07 and 11,724.66

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Solution

The fourth proportional to 28,363.38, 42,548.07 and 11,724.66 is: 17,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.38 : 42,548.07 = 11,724.66 : x
  2. Step 2: Convert to fraction form
    28,363.38/42,548.07 = 11,724.66/x
  3. Step 3: Cross multiply
    28,363.38x = 42,548.07 × 11,724.66
  4. Step 4: Simplify right side
    28,363.38x = 498,861,654.41
  5. Step 5: Solve for x
    x = 498,861,654.41/28,363.38
  6. Step 6: Final answer
    x = 17,588.23

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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.