Home / 28,517-39,353.52-19,108.04

Finding the Fourth Proportional to 28,517, 39,353.52 and 19,108.04

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Solution

The fourth proportional to 28,517, 39,353.52 and 19,108.04 is: 26,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517 : 39,353.52 = 19,108.04 : x
  2. Step 2: Convert to fraction form
    28,517/39,353.52 = 19,108.04/x
  3. Step 3: Cross multiply
    28,517x = 39,353.52 × 19,108.04
  4. Step 4: Simplify right side
    28,517x = 751,968,634.30
  5. Step 5: Solve for x
    x = 751,968,634.30/28,517
  6. Step 6: Final answer
    x = 26,369.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.