Home / 28,932.28-43,399.14-8,155

Finding the Fourth Proportional to 28,932.28, 43,399.14 and 8,155

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Solution

The fourth proportional to 28,932.28, 43,399.14 and 8,155 is: 12,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.28 : 43,399.14 = 8,155 : x
  2. Step 2: Convert to fraction form
    28,932.28/43,399.14 = 8,155/x
  3. Step 3: Cross multiply
    28,932.28x = 43,399.14 × 8,155
  4. Step 4: Simplify right side
    28,932.28x = 353,919,986.70
  5. Step 5: Solve for x
    x = 353,919,986.70/28,932.28
  6. Step 6: Final answer
    x = 12,232.70

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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.