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Finding the Fourth Proportional to 17,328.04, 25,995.90 and 8,089

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Solution

The fourth proportional to 17,328.04, 25,995.90 and 8,089 is: 12,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.04 : 25,995.90 = 8,089 : x
  2. Step 2: Convert to fraction form
    17,328.04/25,995.90 = 8,089/x
  3. Step 3: Cross multiply
    17,328.04x = 25,995.90 × 8,089
  4. Step 4: Simplify right side
    17,328.04x = 210,280,835.10
  5. Step 5: Solve for x
    x = 210,280,835.10/17,328.04
  6. Step 6: Final answer
    x = 12,135.29

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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.