Home / 22,288.78-30,761.67-13,793.64

Finding the Fourth Proportional to 22,288.78, 30,761.67 and 13,793.64

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Solution

The fourth proportional to 22,288.78, 30,761.67 and 13,793.64 is: 19,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.78 : 30,761.67 = 13,793.64 : x
  2. Step 2: Convert to fraction form
    22,288.78/30,761.67 = 13,793.64/x
  3. Step 3: Cross multiply
    22,288.78x = 30,761.67 × 13,793.64
  4. Step 4: Simplify right side
    22,288.78x = 424,315,247.97
  5. Step 5: Solve for x
    x = 424,315,247.97/22,288.78
  6. Step 6: Final answer
    x = 19,037.17

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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.