Home / 28,939.50-43,409.25-8,163

Finding the Fourth Proportional to 28,939.50, 43,409.25 and 8,163

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Solution

The fourth proportional to 28,939.50, 43,409.25 and 8,163 is: 12,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.50 : 43,409.25 = 8,163 : x
  2. Step 2: Convert to fraction form
    28,939.50/43,409.25 = 8,163/x
  3. Step 3: Cross multiply
    28,939.50x = 43,409.25 × 8,163
  4. Step 4: Simplify right side
    28,939.50x = 354,349,707.75
  5. Step 5: Solve for x
    x = 354,349,707.75/28,939.50
  6. Step 6: Final answer
    x = 12,244.50

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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.