Home / 28,736.81-43,049.18-16,218.97

Finding the Fourth Proportional to 28,736.81, 43,049.18 and 16,218.97

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Solution

The fourth proportional to 28,736.81, 43,049.18 and 16,218.97 is: 24,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.81 : 43,049.18 = 16,218.97 : x
  2. Step 2: Convert to fraction form
    28,736.81/43,049.18 = 16,218.97/x
  3. Step 3: Cross multiply
    28,736.81x = 43,049.18 × 16,218.97
  4. Step 4: Simplify right side
    28,736.81x = 698,213,358.94
  5. Step 5: Solve for x
    x = 698,213,358.94/28,736.81
  6. Step 6: Final answer
    x = 24,296.83

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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.