Home / 20,273.48-27,986.52-11,890.52

Finding the Fourth Proportional to 20,273.48, 27,986.52 and 11,890.52

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Solution

The fourth proportional to 20,273.48, 27,986.52 and 11,890.52 is: 16,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.48 : 27,986.52 = 11,890.52 : x
  2. Step 2: Convert to fraction form
    20,273.48/27,986.52 = 11,890.52/x
  3. Step 3: Cross multiply
    20,273.48x = 27,986.52 × 11,890.52
  4. Step 4: Simplify right side
    20,273.48x = 332,774,275.79
  5. Step 5: Solve for x
    x = 332,774,275.79/20,273.48
  6. Step 6: Final answer
    x = 16,414.27

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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.