Home / 19,091.20-28,622.94-12,835.68

Finding the Fourth Proportional to 19,091.20, 28,622.94 and 12,835.68

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Solution

The fourth proportional to 19,091.20, 28,622.94 and 12,835.68 is: 19,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.20 : 28,622.94 = 12,835.68 : x
  2. Step 2: Convert to fraction form
    19,091.20/28,622.94 = 12,835.68/x
  3. Step 3: Cross multiply
    19,091.20x = 28,622.94 × 12,835.68
  4. Step 4: Simplify right side
    19,091.20x = 367,394,898.50
  5. Step 5: Solve for x
    x = 367,394,898.50/19,091.20
  6. Step 6: Final answer
    x = 19,244.20

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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.