Home / 26,942.72-37,185.35-20,557.22

Finding the Fourth Proportional to 26,942.72, 37,185.35 and 20,557.22

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Solution

The fourth proportional to 26,942.72, 37,185.35 and 20,557.22 is: 28,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.72 : 37,185.35 = 20,557.22 : x
  2. Step 2: Convert to fraction form
    26,942.72/37,185.35 = 20,557.22/x
  3. Step 3: Cross multiply
    26,942.72x = 37,185.35 × 20,557.22
  4. Step 4: Simplify right side
    26,942.72x = 764,427,132.01
  5. Step 5: Solve for x
    x = 764,427,132.01/26,942.72
  6. Step 6: Final answer
    x = 28,372.31

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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.