Home / 27,828.47-41,742.70-6,768.38

Finding the Fourth Proportional to 27,828.47, 41,742.70 and 6,768.38

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Solution

The fourth proportional to 27,828.47, 41,742.70 and 6,768.38 is: 10,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.47 : 41,742.70 = 6,768.38 : x
  2. Step 2: Convert to fraction form
    27,828.47/41,742.70 = 6,768.38/x
  3. Step 3: Cross multiply
    27,828.47x = 41,742.70 × 6,768.38
  4. Step 4: Simplify right side
    27,828.47x = 282,530,543.26
  5. Step 5: Solve for x
    x = 282,530,543.26/27,828.47
  6. Step 6: Final answer
    x = 10,152.57

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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.