Home / 23,311.28-32,168.48-13,238.42

Finding the Fourth Proportional to 23,311.28, 32,168.48 and 13,238.42

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Solution

The fourth proportional to 23,311.28, 32,168.48 and 13,238.42 is: 18,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.28 : 32,168.48 = 13,238.42 : x
  2. Step 2: Convert to fraction form
    23,311.28/32,168.48 = 13,238.42/x
  3. Step 3: Cross multiply
    23,311.28x = 32,168.48 × 13,238.42
  4. Step 4: Simplify right side
    23,311.28x = 425,859,621.97
  5. Step 5: Solve for x
    x = 425,859,621.97/23,311.28
  6. Step 6: Final answer
    x = 18,268.39

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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.