Home / 20,204.52-30,278.22-15,203.58

Finding the Fourth Proportional to 20,204.52, 30,278.22 and 15,203.58

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Solution

The fourth proportional to 20,204.52, 30,278.22 and 15,203.58 is: 22,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.52 : 30,278.22 = 15,203.58 : x
  2. Step 2: Convert to fraction form
    20,204.52/30,278.22 = 15,203.58/x
  3. Step 3: Cross multiply
    20,204.52x = 30,278.22 × 15,203.58
  4. Step 4: Simplify right side
    20,204.52x = 460,337,340.03
  5. Step 5: Solve for x
    x = 460,337,340.03/20,204.52
  6. Step 6: Final answer
    x = 22,783.88

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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.