Home / 27,172.48-40,781.76-21,735.04

Finding the Fourth Proportional to 27,172.48, 40,781.76 and 21,735.04

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Solution

The fourth proportional to 27,172.48, 40,781.76 and 21,735.04 is: 32,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.48 : 40,781.76 = 21,735.04 : x
  2. Step 2: Convert to fraction form
    27,172.48/40,781.76 = 21,735.04/x
  3. Step 3: Cross multiply
    27,172.48x = 40,781.76 × 21,735.04
  4. Step 4: Simplify right side
    27,172.48x = 886,393,184.87
  5. Step 5: Solve for x
    x = 886,393,184.87/27,172.48
  6. Step 6: Final answer
    x = 32,620.99

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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.