Home / 28,735.27-43,103.63-7,958.95

Finding the Fourth Proportional to 28,735.27, 43,103.63 and 7,958.95

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Solution

The fourth proportional to 28,735.27, 43,103.63 and 7,958.95 is: 11,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.27 : 43,103.63 = 7,958.95 : x
  2. Step 2: Convert to fraction form
    28,735.27/43,103.63 = 7,958.95/x
  3. Step 3: Cross multiply
    28,735.27x = 43,103.63 × 7,958.95
  4. Step 4: Simplify right side
    28,735.27x = 343,059,635.99
  5. Step 5: Solve for x
    x = 343,059,635.99/28,735.27
  6. Step 6: Final answer
    x = 11,938.63

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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.