Home / 20,285.01-27,992.92-11,210.85

Finding the Fourth Proportional to 20,285.01, 27,992.92 and 11,210.85

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Solution

The fourth proportional to 20,285.01, 27,992.92 and 11,210.85 is: 15,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.01 : 27,992.92 = 11,210.85 : x
  2. Step 2: Convert to fraction form
    20,285.01/27,992.92 = 11,210.85/x
  3. Step 3: Cross multiply
    20,285.01x = 27,992.92 × 11,210.85
  4. Step 4: Simplify right side
    20,285.01x = 313,824,427.18
  5. Step 5: Solve for x
    x = 313,824,427.18/20,285.01
  6. Step 6: Final answer
    x = 15,470.76

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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.