Home / 36,812.06-55,133.96-28,896.56

Finding the Fourth Proportional to 36,812.06, 55,133.96 and 28,896.56

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Solution

The fourth proportional to 36,812.06, 55,133.96 and 28,896.56 is: 43,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.06 : 55,133.96 = 28,896.56 : x
  2. Step 2: Convert to fraction form
    36,812.06/55,133.96 = 28,896.56/x
  3. Step 3: Cross multiply
    36,812.06x = 55,133.96 × 28,896.56
  4. Step 4: Simplify right side
    36,812.06x = 1,593,181,783.18
  5. Step 5: Solve for x
    x = 1,593,181,783.18/36,812.06
  6. Step 6: Final answer
    x = 43,278.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.