Home / 20,015.74-27,621.72-11,063.25

Finding the Fourth Proportional to 20,015.74, 27,621.72 and 11,063.25

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Solution

The fourth proportional to 20,015.74, 27,621.72 and 11,063.25 is: 15,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.74 : 27,621.72 = 11,063.25 : x
  2. Step 2: Convert to fraction form
    20,015.74/27,621.72 = 11,063.25/x
  3. Step 3: Cross multiply
    20,015.74x = 27,621.72 × 11,063.25
  4. Step 4: Simplify right side
    20,015.74x = 305,585,993.79
  5. Step 5: Solve for x
    x = 305,585,993.79/20,015.74
  6. Step 6: Final answer
    x = 15,267.28

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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.