Home / 27,896.94-41,803.86-15,420.54

Finding the Fourth Proportional to 27,896.94, 41,803.86 and 15,420.54

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Solution

The fourth proportional to 27,896.94, 41,803.86 and 15,420.54 is: 23,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.94 : 41,803.86 = 15,420.54 : x
  2. Step 2: Convert to fraction form
    27,896.94/41,803.86 = 15,420.54/x
  3. Step 3: Cross multiply
    27,896.94x = 41,803.86 × 15,420.54
  4. Step 4: Simplify right side
    27,896.94x = 644,638,095.28
  5. Step 5: Solve for x
    x = 644,638,095.28/27,896.94
  6. Step 6: Final answer
    x = 23,107.84

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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.