Home / 19,229.52-28,845.42-5,378.52

Finding the Fourth Proportional to 19,229.52, 28,845.42 and 5,378.52

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Solution

The fourth proportional to 19,229.52, 28,845.42 and 5,378.52 is: 8,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.52 : 28,845.42 = 5,378.52 : x
  2. Step 2: Convert to fraction form
    19,229.52/28,845.42 = 5,378.52/x
  3. Step 3: Cross multiply
    19,229.52x = 28,845.42 × 5,378.52
  4. Step 4: Simplify right side
    19,229.52x = 155,145,668.38
  5. Step 5: Solve for x
    x = 155,145,668.38/19,229.52
  6. Step 6: Final answer
    x = 8,068.10

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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.