Home / 21,994.20-33,023.70-15,449.40

Finding the Fourth Proportional to 21,994.20, 33,023.70 and 15,449.40

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Solution

The fourth proportional to 21,994.20, 33,023.70 and 15,449.40 is: 23,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.20 : 33,023.70 = 15,449.40 : x
  2. Step 2: Convert to fraction form
    21,994.20/33,023.70 = 15,449.40/x
  3. Step 3: Cross multiply
    21,994.20x = 33,023.70 × 15,449.40
  4. Step 4: Simplify right side
    21,994.20x = 510,196,350.78
  5. Step 5: Solve for x
    x = 510,196,350.78/21,994.20
  6. Step 6: Final answer
    x = 23,196.86

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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.