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Finding the Fourth Proportional to 28,792, 43,188 and 8,016.04

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Solution

The fourth proportional to 28,792, 43,188 and 8,016.04 is: 12,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792 : 43,188 = 8,016.04 : x
  2. Step 2: Convert to fraction form
    28,792/43,188 = 8,016.04/x
  3. Step 3: Cross multiply
    28,792x = 43,188 × 8,016.04
  4. Step 4: Simplify right side
    28,792x = 346,196,735.52
  5. Step 5: Solve for x
    x = 346,196,735.52/28,792
  6. Step 6: Final answer
    x = 12,024.06

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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.