Home / 28,697.82-43,038.36-11,163.48

Finding the Fourth Proportional to 28,697.82, 43,038.36 and 11,163.48

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Solution

The fourth proportional to 28,697.82, 43,038.36 and 11,163.48 is: 16,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.82 : 43,038.36 = 11,163.48 : x
  2. Step 2: Convert to fraction form
    28,697.82/43,038.36 = 11,163.48/x
  3. Step 3: Cross multiply
    28,697.82x = 43,038.36 × 11,163.48
  4. Step 4: Simplify right side
    28,697.82x = 480,457,871.09
  5. Step 5: Solve for x
    x = 480,457,871.09/28,697.82
  6. Step 6: Final answer
    x = 16,741.96

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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.