Home / 20,015.87-27,621.45-11,063.25

Finding the Fourth Proportional to 20,015.87, 27,621.45 and 11,063.25

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Solution

The fourth proportional to 20,015.87, 27,621.45 and 11,063.25 is: 15,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.87 : 27,621.45 = 11,063.25 : x
  2. Step 2: Convert to fraction form
    20,015.87/27,621.45 = 11,063.25/x
  3. Step 3: Cross multiply
    20,015.87x = 27,621.45 × 11,063.25
  4. Step 4: Simplify right side
    20,015.87x = 305,583,006.71
  5. Step 5: Solve for x
    x = 305,583,006.71/20,015.87
  6. Step 6: Final answer
    x = 15,267.04

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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.