Home / 20,029.64-27,641.37-11,077.31

Finding the Fourth Proportional to 20,029.64, 27,641.37 and 11,077.31

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Solution

The fourth proportional to 20,029.64, 27,641.37 and 11,077.31 is: 15,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.64 : 27,641.37 = 11,077.31 : x
  2. Step 2: Convert to fraction form
    20,029.64/27,641.37 = 11,077.31/x
  3. Step 3: Cross multiply
    20,029.64x = 27,641.37 × 11,077.31
  4. Step 4: Simplify right side
    20,029.64x = 306,192,024.31
  5. Step 5: Solve for x
    x = 306,192,024.31/20,029.64
  6. Step 6: Final answer
    x = 15,286.95

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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.