Home / 27,687.84-41,465.52-15,188.64

Finding the Fourth Proportional to 27,687.84, 41,465.52 and 15,188.64

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Solution

The fourth proportional to 27,687.84, 41,465.52 and 15,188.64 is: 22,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.84 : 41,465.52 = 15,188.64 : x
  2. Step 2: Convert to fraction form
    27,687.84/41,465.52 = 15,188.64/x
  3. Step 3: Cross multiply
    27,687.84x = 41,465.52 × 15,188.64
  4. Step 4: Simplify right side
    27,687.84x = 629,804,855.69
  5. Step 5: Solve for x
    x = 629,804,855.69/27,687.84
  6. Step 6: Final answer
    x = 22,746.62

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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.