Home / 26,652.96-39,976.26-20,735.78

Finding the Fourth Proportional to 26,652.96, 39,976.26 and 20,735.78

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Solution

The fourth proportional to 26,652.96, 39,976.26 and 20,735.78 is: 31,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,652.96 : 39,976.26 = 20,735.78 : x
  2. Step 2: Convert to fraction form
    26,652.96/39,976.26 = 20,735.78/x
  3. Step 3: Cross multiply
    26,652.96x = 39,976.26 × 20,735.78
  4. Step 4: Simplify right side
    26,652.96x = 828,938,732.70
  5. Step 5: Solve for x
    x = 828,938,732.70/26,652.96
  6. Step 6: Final answer
    x = 31,101.19

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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.