Home / 28,692.31-43,026.30-11,150.14

Finding the Fourth Proportional to 28,692.31, 43,026.30 and 11,150.14

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Solution

The fourth proportional to 28,692.31, 43,026.30 and 11,150.14 is: 16,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.31 : 43,026.30 = 11,150.14 : x
  2. Step 2: Convert to fraction form
    28,692.31/43,026.30 = 11,150.14/x
  3. Step 3: Cross multiply
    28,692.31x = 43,026.30 × 11,150.14
  4. Step 4: Simplify right side
    28,692.31x = 479,749,268.68
  5. Step 5: Solve for x
    x = 479,749,268.68/28,692.31
  6. Step 6: Final answer
    x = 16,720.48

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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.