Home / 28,952.20-43,423.86-11,180.36

Finding the Fourth Proportional to 28,952.20, 43,423.86 and 11,180.36

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Solution

The fourth proportional to 28,952.20, 43,423.86 and 11,180.36 is: 16,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.20 : 43,423.86 = 11,180.36 : x
  2. Step 2: Convert to fraction form
    28,952.20/43,423.86 = 11,180.36/x
  3. Step 3: Cross multiply
    28,952.20x = 43,423.86 × 11,180.36
  4. Step 4: Simplify right side
    28,952.20x = 485,494,387.39
  5. Step 5: Solve for x
    x = 485,494,387.39/28,952.20
  6. Step 6: Final answer
    x = 16,768.83

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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.