Home / 20,535.08-28,336.03-11,582.73

Finding the Fourth Proportional to 20,535.08, 28,336.03 and 11,582.73

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Solution

The fourth proportional to 20,535.08, 28,336.03 and 11,582.73 is: 15,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.08 : 28,336.03 = 11,582.73 : x
  2. Step 2: Convert to fraction form
    20,535.08/28,336.03 = 11,582.73/x
  3. Step 3: Cross multiply
    20,535.08x = 28,336.03 × 11,582.73
  4. Step 4: Simplify right side
    20,535.08x = 328,208,614.95
  5. Step 5: Solve for x
    x = 328,208,614.95/20,535.08
  6. Step 6: Final answer
    x = 15,982.83

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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.