Home / 27,254.20-40,874.28-9,721.48

Finding the Fourth Proportional to 27,254.20, 40,874.28 and 9,721.48

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Solution

The fourth proportional to 27,254.20, 40,874.28 and 9,721.48 is: 14,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,254.20 : 40,874.28 = 9,721.48 : x
  2. Step 2: Convert to fraction form
    27,254.20/40,874.28 = 9,721.48/x
  3. Step 3: Cross multiply
    27,254.20x = 40,874.28 × 9,721.48
  4. Step 4: Simplify right side
    27,254.20x = 397,358,495.53
  5. Step 5: Solve for x
    x = 397,358,495.53/27,254.20
  6. Step 6: Final answer
    x = 14,579.72

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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.