Home / 20,288.85-27,995.83-11,335.24

Finding the Fourth Proportional to 20,288.85, 27,995.83 and 11,335.24

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Solution

The fourth proportional to 20,288.85, 27,995.83 and 11,335.24 is: 15,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.85 : 27,995.83 = 11,335.24 : x
  2. Step 2: Convert to fraction form
    20,288.85/27,995.83 = 11,335.24/x
  3. Step 3: Cross multiply
    20,288.85x = 27,995.83 × 11,335.24
  4. Step 4: Simplify right side
    20,288.85x = 317,339,452.05
  5. Step 5: Solve for x
    x = 317,339,452.05/20,288.85
  6. Step 6: Final answer
    x = 15,641.08

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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.