Home / 26,816.37-40,208.87-8,090.79

Finding the Fourth Proportional to 26,816.37, 40,208.87 and 8,090.79

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Solution

The fourth proportional to 26,816.37, 40,208.87 and 8,090.79 is: 12,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.37 : 40,208.87 = 8,090.79 : x
  2. Step 2: Convert to fraction form
    26,816.37/40,208.87 = 8,090.79/x
  3. Step 3: Cross multiply
    26,816.37x = 40,208.87 × 8,090.79
  4. Step 4: Simplify right side
    26,816.37x = 325,321,392.75
  5. Step 5: Solve for x
    x = 325,321,392.75/26,816.37
  6. Step 6: Final answer
    x = 12,131.45

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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.