Home / 25,278.78-37,922.62-8,634.91

Finding the Fourth Proportional to 25,278.78, 37,922.62 and 8,634.91

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Solution

The fourth proportional to 25,278.78, 37,922.62 and 8,634.91 is: 12,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.78 : 37,922.62 = 8,634.91 : x
  2. Step 2: Convert to fraction form
    25,278.78/37,922.62 = 8,634.91/x
  3. Step 3: Cross multiply
    25,278.78x = 37,922.62 × 8,634.91
  4. Step 4: Simplify right side
    25,278.78x = 327,458,410.66
  5. Step 5: Solve for x
    x = 327,458,410.66/25,278.78
  6. Step 6: Final answer
    x = 12,953.89

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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.