Home / 27,900.56-41,845.32-13,845.92

Finding the Fourth Proportional to 27,900.56, 41,845.32 and 13,845.92

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Solution

The fourth proportional to 27,900.56, 41,845.32 and 13,845.92 is: 20,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.56 : 41,845.32 = 13,845.92 : x
  2. Step 2: Convert to fraction form
    27,900.56/41,845.32 = 13,845.92/x
  3. Step 3: Cross multiply
    27,900.56x = 41,845.32 × 13,845.92
  4. Step 4: Simplify right side
    27,900.56x = 579,386,953.09
  5. Step 5: Solve for x
    x = 579,386,953.09/27,900.56
  6. Step 6: Final answer
    x = 20,766.14

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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.