Home / 22,511.20-33,718.20-18,623.20

Finding the Fourth Proportional to 22,511.20, 33,718.20 and 18,623.20

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Solution

The fourth proportional to 22,511.20, 33,718.20 and 18,623.20 is: 27,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.20 : 33,718.20 = 18,623.20 : x
  2. Step 2: Convert to fraction form
    22,511.20/33,718.20 = 18,623.20/x
  3. Step 3: Cross multiply
    22,511.20x = 33,718.20 × 18,623.20
  4. Step 4: Simplify right side
    22,511.20x = 627,940,782.24
  5. Step 5: Solve for x
    x = 627,940,782.24/22,511.20
  6. Step 6: Final answer
    x = 27,894.59

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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.