Home / 22,090.96-33,136.44-20,739.28

Finding the Fourth Proportional to 22,090.96, 33,136.44 and 20,739.28

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Solution

The fourth proportional to 22,090.96, 33,136.44 and 20,739.28 is: 31,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.96 : 33,136.44 = 20,739.28 : x
  2. Step 2: Convert to fraction form
    22,090.96/33,136.44 = 20,739.28/x
  3. Step 3: Cross multiply
    22,090.96x = 33,136.44 × 20,739.28
  4. Step 4: Simplify right side
    22,090.96x = 687,225,907.36
  5. Step 5: Solve for x
    x = 687,225,907.36/22,090.96
  6. Step 6: Final answer
    x = 31,108.92

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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.