Home / 43,880.41-65,825.80-15,408.64

Finding the Fourth Proportional to 43,880.41, 65,825.80 and 15,408.64

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Solution

The fourth proportional to 43,880.41, 65,825.80 and 15,408.64 is: 23,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.41 : 65,825.80 = 15,408.64 : x
  2. Step 2: Convert to fraction form
    43,880.41/65,825.80 = 15,408.64/x
  3. Step 3: Cross multiply
    43,880.41x = 65,825.80 × 15,408.64
  4. Step 4: Simplify right side
    43,880.41x = 1,014,286,054.91
  5. Step 5: Solve for x
    x = 1,014,286,054.91/43,880.41
  6. Step 6: Final answer
    x = 23,114.78

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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.