Home / 26,976.80-37,228.04-15,039.90

Finding the Fourth Proportional to 26,976.80, 37,228.04 and 15,039.90

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Solution

The fourth proportional to 26,976.80, 37,228.04 and 15,039.90 is: 20,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976.80 : 37,228.04 = 15,039.90 : x
  2. Step 2: Convert to fraction form
    26,976.80/37,228.04 = 15,039.90/x
  3. Step 3: Cross multiply
    26,976.80x = 37,228.04 × 15,039.90
  4. Step 4: Simplify right side
    26,976.80x = 559,905,923.60
  5. Step 5: Solve for x
    x = 559,905,923.60/26,976.80
  6. Step 6: Final answer
    x = 20,755.09

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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.