Home / 20,011.28-27,615.66-10,936.82

Finding the Fourth Proportional to 20,011.28, 27,615.66 and 10,936.82

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Solution

The fourth proportional to 20,011.28, 27,615.66 and 10,936.82 is: 15,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.28 : 27,615.66 = 10,936.82 : x
  2. Step 2: Convert to fraction form
    20,011.28/27,615.66 = 10,936.82/x
  3. Step 3: Cross multiply
    20,011.28x = 27,615.66 × 10,936.82
  4. Step 4: Simplify right side
    20,011.28x = 302,027,502.60
  5. Step 5: Solve for x
    x = 302,027,502.60/20,011.28
  6. Step 6: Final answer
    x = 15,092.86

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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.