Home / 25,721.64-35,487.99-16,765.88

Finding the Fourth Proportional to 25,721.64, 35,487.99 and 16,765.88

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Solution

The fourth proportional to 25,721.64, 35,487.99 and 16,765.88 is: 23,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.64 : 35,487.99 = 16,765.88 : x
  2. Step 2: Convert to fraction form
    25,721.64/35,487.99 = 16,765.88/x
  3. Step 3: Cross multiply
    25,721.64x = 35,487.99 × 16,765.88
  4. Step 4: Simplify right side
    25,721.64x = 594,987,204.34
  5. Step 5: Solve for x
    x = 594,987,204.34/25,721.64
  6. Step 6: Final answer
    x = 23,131.78

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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.