Home / 28,827.28-43,245.44-7,768.14

Finding the Fourth Proportional to 28,827.28, 43,245.44 and 7,768.14

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Solution

The fourth proportional to 28,827.28, 43,245.44 and 7,768.14 is: 11,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.28 : 43,245.44 = 7,768.14 : x
  2. Step 2: Convert to fraction form
    28,827.28/43,245.44 = 7,768.14/x
  3. Step 3: Cross multiply
    28,827.28x = 43,245.44 × 7,768.14
  4. Step 4: Simplify right side
    28,827.28x = 335,936,632.28
  5. Step 5: Solve for x
    x = 335,936,632.28/28,827.28
  6. Step 6: Final answer
    x = 11,653.43

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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.