Home / 27,961.84-41,954.28-20,603.44

Finding the Fourth Proportional to 27,961.84, 41,954.28 and 20,603.44

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Solution

The fourth proportional to 27,961.84, 41,954.28 and 20,603.44 is: 30,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.84 : 41,954.28 = 20,603.44 : x
  2. Step 2: Convert to fraction form
    27,961.84/41,954.28 = 20,603.44/x
  3. Step 3: Cross multiply
    27,961.84x = 41,954.28 × 20,603.44
  4. Step 4: Simplify right side
    27,961.84x = 864,402,490.72
  5. Step 5: Solve for x
    x = 864,402,490.72/27,961.84
  6. Step 6: Final answer
    x = 30,913.65

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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.