Home / 38,578.28-57,874.64-17,519.76

Finding the Fourth Proportional to 38,578.28, 57,874.64 and 17,519.76

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Solution

The fourth proportional to 38,578.28, 57,874.64 and 17,519.76 is: 26,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.28 : 57,874.64 = 17,519.76 : x
  2. Step 2: Convert to fraction form
    38,578.28/57,874.64 = 17,519.76/x
  3. Step 3: Cross multiply
    38,578.28x = 57,874.64 × 17,519.76
  4. Step 4: Simplify right side
    38,578.28x = 1,013,949,802.89
  5. Step 5: Solve for x
    x = 1,013,949,802.89/38,578.28
  6. Step 6: Final answer
    x = 26,282.92

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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.