Home / 28,952.90-43,423.26-8,171.54

Finding the Fourth Proportional to 28,952.90, 43,423.26 and 8,171.54

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Solution

The fourth proportional to 28,952.90, 43,423.26 and 8,171.54 is: 12,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.90 : 43,423.26 = 8,171.54 : x
  2. Step 2: Convert to fraction form
    28,952.90/43,423.26 = 8,171.54/x
  3. Step 3: Cross multiply
    28,952.90x = 43,423.26 × 8,171.54
  4. Step 4: Simplify right side
    28,952.90x = 354,834,688.90
  5. Step 5: Solve for x
    x = 354,834,688.90/28,952.90
  6. Step 6: Final answer
    x = 12,255.59

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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.