Home / 27,305.12-40,905.14-16,744.30

Finding the Fourth Proportional to 27,305.12, 40,905.14 and 16,744.30

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Solution

The fourth proportional to 27,305.12, 40,905.14 and 16,744.30 is: 25,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.12 : 40,905.14 = 16,744.30 : x
  2. Step 2: Convert to fraction form
    27,305.12/40,905.14 = 16,744.30/x
  3. Step 3: Cross multiply
    27,305.12x = 40,905.14 × 16,744.30
  4. Step 4: Simplify right side
    27,305.12x = 684,927,935.70
  5. Step 5: Solve for x
    x = 684,927,935.70/27,305.12
  6. Step 6: Final answer
    x = 25,084.23

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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.