Home / 28,480.53-39,301.22-17,147.85

Finding the Fourth Proportional to 28,480.53, 39,301.22 and 17,147.85

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Solution

The fourth proportional to 28,480.53, 39,301.22 and 17,147.85 is: 23,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.53 : 39,301.22 = 17,147.85 : x
  2. Step 2: Convert to fraction form
    28,480.53/39,301.22 = 17,147.85/x
  3. Step 3: Cross multiply
    28,480.53x = 39,301.22 × 17,147.85
  4. Step 4: Simplify right side
    28,480.53x = 673,931,339.64
  5. Step 5: Solve for x
    x = 673,931,339.64/28,480.53
  6. Step 6: Final answer
    x = 23,662.88

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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.