Home / 20,064.14-27,679.33-12,992.84

Finding the Fourth Proportional to 20,064.14, 27,679.33 and 12,992.84

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Solution

The fourth proportional to 20,064.14, 27,679.33 and 12,992.84 is: 17,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.14 : 27,679.33 = 12,992.84 : x
  2. Step 2: Convert to fraction form
    20,064.14/27,679.33 = 12,992.84/x
  3. Step 3: Cross multiply
    20,064.14x = 27,679.33 × 12,992.84
  4. Step 4: Simplify right side
    20,064.14x = 359,633,191.44
  5. Step 5: Solve for x
    x = 359,633,191.44/20,064.14
  6. Step 6: Final answer
    x = 17,924.17

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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.