Home / 25,627.90-35,369.97-15,021.78

Finding the Fourth Proportional to 25,627.90, 35,369.97 and 15,021.78

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Solution

The fourth proportional to 25,627.90, 35,369.97 and 15,021.78 is: 20,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.90 : 35,369.97 = 15,021.78 : x
  2. Step 2: Convert to fraction form
    25,627.90/35,369.97 = 15,021.78/x
  3. Step 3: Cross multiply
    25,627.90x = 35,369.97 × 15,021.78
  4. Step 4: Simplify right side
    25,627.90x = 531,319,907.95
  5. Step 5: Solve for x
    x = 531,319,907.95/25,627.90
  6. Step 6: Final answer
    x = 20,732.09

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