Home / 22,015.40-33,023.10-18,078.80

Finding the Fourth Proportional to 22,015.40, 33,023.10 and 18,078.80

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Solution

The fourth proportional to 22,015.40, 33,023.10 and 18,078.80 is: 27,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.40 : 33,023.10 = 18,078.80 : x
  2. Step 2: Convert to fraction form
    22,015.40/33,023.10 = 18,078.80/x
  3. Step 3: Cross multiply
    22,015.40x = 33,023.10 × 18,078.80
  4. Step 4: Simplify right side
    22,015.40x = 597,018,020.28
  5. Step 5: Solve for x
    x = 597,018,020.28/22,015.40
  6. Step 6: Final answer
    x = 27,118.20

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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.