Home / 20,027.44-30,036.30-8,334.28

Finding the Fourth Proportional to 20,027.44, 30,036.30 and 8,334.28

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Solution

The fourth proportional to 20,027.44, 30,036.30 and 8,334.28 is: 12,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.44 : 30,036.30 = 8,334.28 : x
  2. Step 2: Convert to fraction form
    20,027.44/30,036.30 = 8,334.28/x
  3. Step 3: Cross multiply
    20,027.44x = 30,036.30 × 8,334.28
  4. Step 4: Simplify right side
    20,027.44x = 250,330,934.36
  5. Step 5: Solve for x
    x = 250,330,934.36/20,027.44
  6. Step 6: Final answer
    x = 12,499.40

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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.