Home / 13,827.52-20,741.26-3,439.27

Finding the Fourth Proportional to 13,827.52, 20,741.26 and 3,439.27

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Solution

The fourth proportional to 13,827.52, 20,741.26 and 3,439.27 is: 5,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.52 : 20,741.26 = 3,439.27 : x
  2. Step 2: Convert to fraction form
    13,827.52/20,741.26 = 3,439.27/x
  3. Step 3: Cross multiply
    13,827.52x = 20,741.26 × 3,439.27
  4. Step 4: Simplify right side
    13,827.52x = 71,334,793.28
  5. Step 5: Solve for x
    x = 71,334,793.28/13,827.52
  6. Step 6: Final answer
    x = 5,158.90

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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.