Home / 22,278.56-33,424-19,830.48

Finding the Fourth Proportional to 22,278.56, 33,424 and 19,830.48

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Solution

The fourth proportional to 22,278.56, 33,424 and 19,830.48 is: 29,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.56 : 33,424 = 19,830.48 : x
  2. Step 2: Convert to fraction form
    22,278.56/33,424 = 19,830.48/x
  3. Step 3: Cross multiply
    22,278.56x = 33,424 × 19,830.48
  4. Step 4: Simplify right side
    22,278.56x = 662,813,963.52
  5. Step 5: Solve for x
    x = 662,813,963.52/22,278.56
  6. Step 6: Final answer
    x = 29,751.20

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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.