Home / 27,003.10-40,485.45-10,356.70

Finding the Fourth Proportional to 27,003.10, 40,485.45 and 10,356.70

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Solution

The fourth proportional to 27,003.10, 40,485.45 and 10,356.70 is: 15,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.10 : 40,485.45 = 10,356.70 : x
  2. Step 2: Convert to fraction form
    27,003.10/40,485.45 = 10,356.70/x
  3. Step 3: Cross multiply
    27,003.10x = 40,485.45 × 10,356.70
  4. Step 4: Simplify right side
    27,003.10x = 419,295,660.02
  5. Step 5: Solve for x
    x = 419,295,660.02/27,003.10
  6. Step 6: Final answer
    x = 15,527.69

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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.