Home / 43,828.22-65,745.96-14,245.40

Finding the Fourth Proportional to 43,828.22, 65,745.96 and 14,245.40

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Solution

The fourth proportional to 43,828.22, 65,745.96 and 14,245.40 is: 21,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,828.22 : 65,745.96 = 14,245.40 : x
  2. Step 2: Convert to fraction form
    43,828.22/65,745.96 = 14,245.40/x
  3. Step 3: Cross multiply
    43,828.22x = 65,745.96 × 14,245.40
  4. Step 4: Simplify right side
    43,828.22x = 936,577,498.58
  5. Step 5: Solve for x
    x = 936,577,498.58/43,828.22
  6. Step 6: Final answer
    x = 21,369.28

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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.