Home / 15,579.52-23,369.04-3,892.72

Finding the Fourth Proportional to 15,579.52, 23,369.04 and 3,892.72

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Solution

The fourth proportional to 15,579.52, 23,369.04 and 3,892.72 is: 5,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.52 : 23,369.04 = 3,892.72 : x
  2. Step 2: Convert to fraction form
    15,579.52/23,369.04 = 3,892.72/x
  3. Step 3: Cross multiply
    15,579.52x = 23,369.04 × 3,892.72
  4. Step 4: Simplify right side
    15,579.52x = 90,969,129.39
  5. Step 5: Solve for x
    x = 90,969,129.39/15,579.52
  6. Step 6: Final answer
    x = 5,839.02

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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.