Home / 20,021.52-27,628.47-11,068.49

Finding the Fourth Proportional to 20,021.52, 27,628.47 and 11,068.49

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Solution

The fourth proportional to 20,021.52, 27,628.47 and 11,068.49 is: 15,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.52 : 27,628.47 = 11,068.49 : x
  2. Step 2: Convert to fraction form
    20,021.52/27,628.47 = 11,068.49/x
  3. Step 3: Cross multiply
    20,021.52x = 27,628.47 × 11,068.49
  4. Step 4: Simplify right side
    20,021.52x = 305,805,305.77
  5. Step 5: Solve for x
    x = 305,805,305.77/20,021.52
  6. Step 6: Final answer
    x = 15,273.83

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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.