Home / 20,218.82-27,909.16-14,556.92

Finding the Fourth Proportional to 20,218.82, 27,909.16 and 14,556.92

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Solution

The fourth proportional to 20,218.82, 27,909.16 and 14,556.92 is: 20,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.82 : 27,909.16 = 14,556.92 : x
  2. Step 2: Convert to fraction form
    20,218.82/27,909.16 = 14,556.92/x
  3. Step 3: Cross multiply
    20,218.82x = 27,909.16 × 14,556.92
  4. Step 4: Simplify right side
    20,218.82x = 406,271,233.45
  5. Step 5: Solve for x
    x = 406,271,233.45/20,218.82
  6. Step 6: Final answer
    x = 20,093.72

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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.