Home / 20,023.30-27,628.05-12,063.70

Finding the Fourth Proportional to 20,023.30, 27,628.05 and 12,063.70

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Solution

The fourth proportional to 20,023.30, 27,628.05 and 12,063.70 is: 16,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.30 : 27,628.05 = 12,063.70 : x
  2. Step 2: Convert to fraction form
    20,023.30/27,628.05 = 12,063.70/x
  3. Step 3: Cross multiply
    20,023.30x = 27,628.05 × 12,063.70
  4. Step 4: Simplify right side
    20,023.30x = 333,296,506.79
  5. Step 5: Solve for x
    x = 333,296,506.79/20,023.30
  6. Step 6: Final answer
    x = 16,645.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.