Home / 20,259.75-27,961.29-14,613.21

Finding the Fourth Proportional to 20,259.75, 27,961.29 and 14,613.21

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Solution

The fourth proportional to 20,259.75, 27,961.29 and 14,613.21 is: 20,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.75 : 27,961.29 = 14,613.21 : x
  2. Step 2: Convert to fraction form
    20,259.75/27,961.29 = 14,613.21/x
  3. Step 3: Cross multiply
    20,259.75x = 27,961.29 × 14,613.21
  4. Step 4: Simplify right side
    20,259.75x = 408,604,202.64
  5. Step 5: Solve for x
    x = 408,604,202.64/20,259.75
  6. Step 6: Final answer
    x = 20,168.27

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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.