Home / 25,850.88-38,782.56-8,981.43

Finding the Fourth Proportional to 25,850.88, 38,782.56 and 8,981.43

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Solution

The fourth proportional to 25,850.88, 38,782.56 and 8,981.43 is: 13,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.88 : 38,782.56 = 8,981.43 : x
  2. Step 2: Convert to fraction form
    25,850.88/38,782.56 = 8,981.43/x
  3. Step 3: Cross multiply
    25,850.88x = 38,782.56 × 8,981.43
  4. Step 4: Simplify right side
    25,850.88x = 348,322,878.48
  5. Step 5: Solve for x
    x = 348,322,878.48/25,850.88
  6. Step 6: Final answer
    x = 13,474.31

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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.