Home / 25,911.85-38,820.62-17,997.64

Finding the Fourth Proportional to 25,911.85, 38,820.62 and 17,997.64

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Solution

The fourth proportional to 25,911.85, 38,820.62 and 17,997.64 is: 26,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911.85 : 38,820.62 = 17,997.64 : x
  2. Step 2: Convert to fraction form
    25,911.85/38,820.62 = 17,997.64/x
  3. Step 3: Cross multiply
    25,911.85x = 38,820.62 × 17,997.64
  4. Step 4: Simplify right side
    25,911.85x = 698,679,608.41
  5. Step 5: Solve for x
    x = 698,679,608.41/25,911.85
  6. Step 6: Final answer
    x = 26,963.71

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1.5x scale

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.