Home / 23,861.55-32,928.75-13,251.21

Finding the Fourth Proportional to 23,861.55, 32,928.75 and 13,251.21

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Solution

The fourth proportional to 23,861.55, 32,928.75 and 13,251.21 is: 18,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,861.55 : 32,928.75 = 13,251.21 : x
  2. Step 2: Convert to fraction form
    23,861.55/32,928.75 = 13,251.21/x
  3. Step 3: Cross multiply
    23,861.55x = 32,928.75 × 13,251.21
  4. Step 4: Simplify right side
    23,861.55x = 436,345,781.29
  5. Step 5: Solve for x
    x = 436,345,781.29/23,861.55
  6. Step 6: Final answer
    x = 18,286.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.