Home / 25,872.72-38,822.29-11,077.66

Finding the Fourth Proportional to 25,872.72, 38,822.29 and 11,077.66

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Solution

The fourth proportional to 25,872.72, 38,822.29 and 11,077.66 is: 16,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.72 : 38,822.29 = 11,077.66 : x
  2. Step 2: Convert to fraction form
    25,872.72/38,822.29 = 11,077.66/x
  3. Step 3: Cross multiply
    25,872.72x = 38,822.29 × 11,077.66
  4. Step 4: Simplify right side
    25,872.72x = 430,060,149.88
  5. Step 5: Solve for x
    x = 430,060,149.88/25,872.72
  6. Step 6: Final answer
    x = 16,622.15

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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.