Home / 19,002.90-28,505.97-4,964.79

Finding the Fourth Proportional to 19,002.90, 28,505.97 and 4,964.79

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Solution

The fourth proportional to 19,002.90, 28,505.97 and 4,964.79 is: 7,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.90 : 28,505.97 = 4,964.79 : x
  2. Step 2: Convert to fraction form
    19,002.90/28,505.97 = 4,964.79/x
  3. Step 3: Cross multiply
    19,002.90x = 28,505.97 × 4,964.79
  4. Step 4: Simplify right side
    19,002.90x = 141,526,154.80
  5. Step 5: Solve for x
    x = 141,526,154.80/19,002.90
  6. Step 6: Final answer
    x = 7,447.61

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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.