Home / 27,847.53-38,422.98-15,748.29

Finding the Fourth Proportional to 27,847.53, 38,422.98 and 15,748.29

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Solution

The fourth proportional to 27,847.53, 38,422.98 and 15,748.29 is: 21,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.53 : 38,422.98 = 15,748.29 : x
  2. Step 2: Convert to fraction form
    27,847.53/38,422.98 = 15,748.29/x
  3. Step 3: Cross multiply
    27,847.53x = 38,422.98 × 15,748.29
  4. Step 4: Simplify right side
    27,847.53x = 605,096,231.70
  5. Step 5: Solve for x
    x = 605,096,231.70/27,847.53
  6. Step 6: Final answer
    x = 21,728.90

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1.5x scale

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.