Home / 18,002.55-27,000.05-4,851.75

Finding the Fourth Proportional to 18,002.55, 27,000.05 and 4,851.75

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Solution

The fourth proportional to 18,002.55, 27,000.05 and 4,851.75 is: 7,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.55 : 27,000.05 = 4,851.75 : x
  2. Step 2: Convert to fraction form
    18,002.55/27,000.05 = 4,851.75/x
  3. Step 3: Cross multiply
    18,002.55x = 27,000.05 × 4,851.75
  4. Step 4: Simplify right side
    18,002.55x = 130,997,468.33
  5. Step 5: Solve for x
    x = 130,997,468.33/18,002.55
  6. Step 6: Final answer
    x = 7,276.61

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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.