Home / 20,727.76-28,604.87-11,296.93

Finding the Fourth Proportional to 20,727.76, 28,604.87 and 11,296.93

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Solution

The fourth proportional to 20,727.76, 28,604.87 and 11,296.93 is: 15,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.76 : 28,604.87 = 11,296.93 : x
  2. Step 2: Convert to fraction form
    20,727.76/28,604.87 = 11,296.93/x
  3. Step 3: Cross multiply
    20,727.76x = 28,604.87 × 11,296.93
  4. Step 4: Simplify right side
    20,727.76x = 323,147,214.05
  5. Step 5: Solve for x
    x = 323,147,214.05/20,727.76
  6. Step 6: Final answer
    x = 15,590.07

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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.