Home / 22,224.80-33,292.40-13,879.20

Finding the Fourth Proportional to 22,224.80, 33,292.40 and 13,879.20

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Solution

The fourth proportional to 22,224.80, 33,292.40 and 13,879.20 is: 20,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.80 : 33,292.40 = 13,879.20 : x
  2. Step 2: Convert to fraction form
    22,224.80/33,292.40 = 13,879.20/x
  3. Step 3: Cross multiply
    22,224.80x = 33,292.40 × 13,879.20
  4. Step 4: Simplify right side
    22,224.80x = 462,071,878.08
  5. Step 5: Solve for x
    x = 462,071,878.08/22,224.80
  6. Step 6: Final answer
    x = 20,790.82

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1.5x scale

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.