Home / 27,485.47-41,234.25-15,644.81

Finding the Fourth Proportional to 27,485.47, 41,234.25 and 15,644.81

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Solution

The fourth proportional to 27,485.47, 41,234.25 and 15,644.81 is: 23,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.47 : 41,234.25 = 15,644.81 : x
  2. Step 2: Convert to fraction form
    27,485.47/41,234.25 = 15,644.81/x
  3. Step 3: Cross multiply
    27,485.47x = 41,234.25 × 15,644.81
  4. Step 4: Simplify right side
    27,485.47x = 645,102,006.74
  5. Step 5: Solve for x
    x = 645,102,006.74/27,485.47
  6. Step 6: Final answer
    x = 23,470.66

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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.