Home / 26,989.42-40,485.35-8,268.09

Finding the Fourth Proportional to 26,989.42, 40,485.35 and 8,268.09

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Solution

The fourth proportional to 26,989.42, 40,485.35 and 8,268.09 is: 12,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.42 : 40,485.35 = 8,268.09 : x
  2. Step 2: Convert to fraction form
    26,989.42/40,485.35 = 8,268.09/x
  3. Step 3: Cross multiply
    26,989.42x = 40,485.35 × 8,268.09
  4. Step 4: Simplify right side
    26,989.42x = 334,736,476.14
  5. Step 5: Solve for x
    x = 334,736,476.14/26,989.42
  6. Step 6: Final answer
    x = 12,402.51

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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.