Home / 21,771.44-30,061.54-16,727.66

Finding the Fourth Proportional to 21,771.44, 30,061.54 and 16,727.66

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Solution

The fourth proportional to 21,771.44, 30,061.54 and 16,727.66 is: 23,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.44 : 30,061.54 = 16,727.66 : x
  2. Step 2: Convert to fraction form
    21,771.44/30,061.54 = 16,727.66/x
  3. Step 3: Cross multiply
    21,771.44x = 30,061.54 × 16,727.66
  4. Step 4: Simplify right side
    21,771.44x = 502,859,220.20
  5. Step 5: Solve for x
    x = 502,859,220.20/21,771.44
  6. Step 6: Final answer
    x = 23,097.20

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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.