Home / 43,626.32-65,431.20-12,028.57

Finding the Fourth Proportional to 43,626.32, 65,431.20 and 12,028.57

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Solution

The fourth proportional to 43,626.32, 65,431.20 and 12,028.57 is: 18,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,626.32 : 65,431.20 = 12,028.57 : x
  2. Step 2: Convert to fraction form
    43,626.32/65,431.20 = 12,028.57/x
  3. Step 3: Cross multiply
    43,626.32x = 65,431.20 × 12,028.57
  4. Step 4: Simplify right side
    43,626.32x = 787,043,709.24
  5. Step 5: Solve for x
    x = 787,043,709.24/43,626.32
  6. Step 6: Final answer
    x = 18,040.57

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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.