Home / 19,081.88-28,636.48-14,136.62

Finding the Fourth Proportional to 19,081.88, 28,636.48 and 14,136.62

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Solution

The fourth proportional to 19,081.88, 28,636.48 and 14,136.62 is: 21,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.88 : 28,636.48 = 14,136.62 : x
  2. Step 2: Convert to fraction form
    19,081.88/28,636.48 = 14,136.62/x
  3. Step 3: Cross multiply
    19,081.88x = 28,636.48 × 14,136.62
  4. Step 4: Simplify right side
    19,081.88x = 404,823,035.90
  5. Step 5: Solve for x
    x = 404,823,035.90/19,081.88
  6. Step 6: Final answer
    x = 21,215.06

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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.