Home / 19,127.85-28,672.01-13,849.77

Finding the Fourth Proportional to 19,127.85, 28,672.01 and 13,849.77

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Solution

The fourth proportional to 19,127.85, 28,672.01 and 13,849.77 is: 20,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.85 : 28,672.01 = 13,849.77 : x
  2. Step 2: Convert to fraction form
    19,127.85/28,672.01 = 13,849.77/x
  3. Step 3: Cross multiply
    19,127.85x = 28,672.01 × 13,849.77
  4. Step 4: Simplify right side
    19,127.85x = 397,100,743.94
  5. Step 5: Solve for x
    x = 397,100,743.94/19,127.85
  6. Step 6: Final answer
    x = 20,760.34

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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.