Home / 20,027.34-30,044.70-8,934.03

Finding the Fourth Proportional to 20,027.34, 30,044.70 and 8,934.03

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Solution

The fourth proportional to 20,027.34, 30,044.70 and 8,934.03 is: 13,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.34 : 30,044.70 = 8,934.03 : x
  2. Step 2: Convert to fraction form
    20,027.34/30,044.70 = 8,934.03/x
  3. Step 3: Cross multiply
    20,027.34x = 30,044.70 × 8,934.03
  4. Step 4: Simplify right side
    20,027.34x = 268,420,251.14
  5. Step 5: Solve for x
    x = 268,420,251.14/20,027.34
  6. Step 6: Final answer
    x = 13,402.69

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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.