Home / 27,434.40-41,151.60-7,712.96

Finding the Fourth Proportional to 27,434.40, 41,151.60 and 7,712.96

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Solution

The fourth proportional to 27,434.40, 41,151.60 and 7,712.96 is: 11,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.40 : 41,151.60 = 7,712.96 : x
  2. Step 2: Convert to fraction form
    27,434.40/41,151.60 = 7,712.96/x
  3. Step 3: Cross multiply
    27,434.40x = 41,151.60 × 7,712.96
  4. Step 4: Simplify right side
    27,434.40x = 317,400,644.74
  5. Step 5: Solve for x
    x = 317,400,644.74/27,434.40
  6. Step 6: Final answer
    x = 11,569.44

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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.