Home / 28,895.12-43,344.30-8,117

Finding the Fourth Proportional to 28,895.12, 43,344.30 and 8,117

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Solution

The fourth proportional to 28,895.12, 43,344.30 and 8,117 is: 12,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.12 : 43,344.30 = 8,117 : x
  2. Step 2: Convert to fraction form
    28,895.12/43,344.30 = 8,117/x
  3. Step 3: Cross multiply
    28,895.12x = 43,344.30 × 8,117
  4. Step 4: Simplify right side
    28,895.12x = 351,825,683.10
  5. Step 5: Solve for x
    x = 351,825,683.10/28,895.12
  6. Step 6: Final answer
    x = 12,175.96

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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.