Home / 19,301.01-28,942.26-9,428.73

Finding the Fourth Proportional to 19,301.01, 28,942.26 and 9,428.73

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Solution

The fourth proportional to 19,301.01, 28,942.26 and 9,428.73 is: 14,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.01 : 28,942.26 = 9,428.73 : x
  2. Step 2: Convert to fraction form
    19,301.01/28,942.26 = 9,428.73/x
  3. Step 3: Cross multiply
    19,301.01x = 28,942.26 × 9,428.73
  4. Step 4: Simplify right side
    19,301.01x = 272,888,755.13
  5. Step 5: Solve for x
    x = 272,888,755.13/19,301.01
  6. Step 6: Final answer
    x = 14,138.57

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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.