Home / 26,626.96-36,718.96-20,656.45

Finding the Fourth Proportional to 26,626.96, 36,718.96 and 20,656.45

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Solution

The fourth proportional to 26,626.96, 36,718.96 and 20,656.45 is: 28,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.96 : 36,718.96 = 20,656.45 : x
  2. Step 2: Convert to fraction form
    26,626.96/36,718.96 = 20,656.45/x
  3. Step 3: Cross multiply
    26,626.96x = 36,718.96 × 20,656.45
  4. Step 4: Simplify right side
    26,626.96x = 758,483,361.29
  5. Step 5: Solve for x
    x = 758,483,361.29/26,626.96
  6. Step 6: Final answer
    x = 28,485.54

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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.