Home / 43,626.20-65,423.10-15,535.40

Finding the Fourth Proportional to 43,626.20, 65,423.10 and 15,535.40

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Solution

The fourth proportional to 43,626.20, 65,423.10 and 15,535.40 is: 23,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,626.20 : 65,423.10 = 15,535.40 : x
  2. Step 2: Convert to fraction form
    43,626.20/65,423.10 = 15,535.40/x
  3. Step 3: Cross multiply
    43,626.20x = 65,423.10 × 15,535.40
  4. Step 4: Simplify right side
    43,626.20x = 1,016,374,027.74
  5. Step 5: Solve for x
    x = 1,016,374,027.74/43,626.20
  6. Step 6: Final answer
    x = 23,297.33

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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.