Home / 27,736.96-38,274.12-15,797.80

Finding the Fourth Proportional to 27,736.96, 38,274.12 and 15,797.80

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Solution

The fourth proportional to 27,736.96, 38,274.12 and 15,797.80 is: 21,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.96 : 38,274.12 = 15,797.80 : x
  2. Step 2: Convert to fraction form
    27,736.96/38,274.12 = 15,797.80/x
  3. Step 3: Cross multiply
    27,736.96x = 38,274.12 × 15,797.80
  4. Step 4: Simplify right side
    27,736.96x = 604,646,892.94
  5. Step 5: Solve for x
    x = 604,646,892.94/27,736.96
  6. Step 6: Final answer
    x = 21,799.32

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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.