Home / 28,958.28-43,440.84-9,229.92

Finding the Fourth Proportional to 28,958.28, 43,440.84 and 9,229.92

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Solution

The fourth proportional to 28,958.28, 43,440.84 and 9,229.92 is: 13,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.28 : 43,440.84 = 9,229.92 : x
  2. Step 2: Convert to fraction form
    28,958.28/43,440.84 = 9,229.92/x
  3. Step 3: Cross multiply
    28,958.28x = 43,440.84 × 9,229.92
  4. Step 4: Simplify right side
    28,958.28x = 400,955,477.93
  5. Step 5: Solve for x
    x = 400,955,477.93/28,958.28
  6. Step 6: Final answer
    x = 13,845.97

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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.