Home / 28,951.24-43,428.54-8,173

Finding the Fourth Proportional to 28,951.24, 43,428.54 and 8,173

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Solution

The fourth proportional to 28,951.24, 43,428.54 and 8,173 is: 12,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.24 : 43,428.54 = 8,173 : x
  2. Step 2: Convert to fraction form
    28,951.24/43,428.54 = 8,173/x
  3. Step 3: Cross multiply
    28,951.24x = 43,428.54 × 8,173
  4. Step 4: Simplify right side
    28,951.24x = 354,941,457.42
  5. Step 5: Solve for x
    x = 354,941,457.42/28,951.24
  6. Step 6: Final answer
    x = 12,259.97

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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.