Home / 20,727.63-28,604.48-11,296.59

Finding the Fourth Proportional to 20,727.63, 28,604.48 and 11,296.59

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Solution

The fourth proportional to 20,727.63, 28,604.48 and 11,296.59 is: 15,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.63 : 28,604.48 = 11,296.59 : x
  2. Step 2: Convert to fraction form
    20,727.63/28,604.48 = 11,296.59/x
  3. Step 3: Cross multiply
    20,727.63x = 28,604.48 × 11,296.59
  4. Step 4: Simplify right side
    20,727.63x = 323,133,026.24
  5. Step 5: Solve for x
    x = 323,133,026.24/20,727.63
  6. Step 6: Final answer
    x = 15,589.48

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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.