Home / 22,289.28-30,751.68-13,791.36

Finding the Fourth Proportional to 22,289.28, 30,751.68 and 13,791.36

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Solution

The fourth proportional to 22,289.28, 30,751.68 and 13,791.36 is: 19,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.28 : 30,751.68 = 13,791.36 : x
  2. Step 2: Convert to fraction form
    22,289.28/30,751.68 = 13,791.36/x
  3. Step 3: Cross multiply
    22,289.28x = 30,751.68 × 13,791.36
  4. Step 4: Simplify right side
    22,289.28x = 424,107,489.48
  5. Step 5: Solve for x
    x = 424,107,489.48/22,289.28
  6. Step 6: Final answer
    x = 19,027.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.