Home / 27,243.14-37,612.30-21,600.68

Finding the Fourth Proportional to 27,243.14, 37,612.30 and 21,600.68

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Solution

The fourth proportional to 27,243.14, 37,612.30 and 21,600.68 is: 29,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.14 : 37,612.30 = 21,600.68 : x
  2. Step 2: Convert to fraction form
    27,243.14/37,612.30 = 21,600.68/x
  3. Step 3: Cross multiply
    27,243.14x = 37,612.30 × 21,600.68
  4. Step 4: Simplify right side
    27,243.14x = 812,451,054.80
  5. Step 5: Solve for x
    x = 812,451,054.80/27,243.14
  6. Step 6: Final answer
    x = 29,822.23

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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.