Home / 27,395.64-37,797.12-21,634.80

Finding the Fourth Proportional to 27,395.64, 37,797.12 and 21,634.80

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Solution

The fourth proportional to 27,395.64, 37,797.12 and 21,634.80 is: 29,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,395.64 : 37,797.12 = 21,634.80 : x
  2. Step 2: Convert to fraction form
    27,395.64/37,797.12 = 21,634.80/x
  3. Step 3: Cross multiply
    27,395.64x = 37,797.12 × 21,634.80
  4. Step 4: Simplify right side
    27,395.64x = 817,733,131.78
  5. Step 5: Solve for x
    x = 817,733,131.78/27,395.64
  6. Step 6: Final answer
    x = 29,849.02

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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.