Home / 25,939.84-38,851.38-18,183.28

Finding the Fourth Proportional to 25,939.84, 38,851.38 and 18,183.28

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Solution

The fourth proportional to 25,939.84, 38,851.38 and 18,183.28 is: 27,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.84 : 38,851.38 = 18,183.28 : x
  2. Step 2: Convert to fraction form
    25,939.84/38,851.38 = 18,183.28/x
  3. Step 3: Cross multiply
    25,939.84x = 38,851.38 × 18,183.28
  4. Step 4: Simplify right side
    25,939.84x = 706,445,520.93
  5. Step 5: Solve for x
    x = 706,445,520.93/25,939.84
  6. Step 6: Final answer
    x = 27,234.00

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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.