Home / 28,961.35-43,438.38-9,238.25

Finding the Fourth Proportional to 28,961.35, 43,438.38 and 9,238.25

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Solution

The fourth proportional to 28,961.35, 43,438.38 and 9,238.25 is: 13,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.35 : 43,438.38 = 9,238.25 : x
  2. Step 2: Convert to fraction form
    28,961.35/43,438.38 = 9,238.25/x
  3. Step 3: Cross multiply
    28,961.35x = 43,438.38 × 9,238.25
  4. Step 4: Simplify right side
    28,961.35x = 401,294,687.99
  5. Step 5: Solve for x
    x = 401,294,687.99/28,961.35
  6. Step 6: Final answer
    x = 13,856.22

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1.5x scale

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.