Home / 25,738.90-38,568.48-17,856.73

Finding the Fourth Proportional to 25,738.90, 38,568.48 and 17,856.73

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Solution

The fourth proportional to 25,738.90, 38,568.48 and 17,856.73 is: 26,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.90 : 38,568.48 = 17,856.73 : x
  2. Step 2: Convert to fraction form
    25,738.90/38,568.48 = 17,856.73/x
  3. Step 3: Cross multiply
    25,738.90x = 38,568.48 × 17,856.73
  4. Step 4: Simplify right side
    25,738.90x = 688,706,933.87
  5. Step 5: Solve for x
    x = 688,706,933.87/25,738.90
  6. Step 6: Final answer
    x = 26,757.43

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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.