Home / 27,736.05-38,274.48-15,799.08

Finding the Fourth Proportional to 27,736.05, 38,274.48 and 15,799.08

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Solution

The fourth proportional to 27,736.05, 38,274.48 and 15,799.08 is: 21,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.05 : 38,274.48 = 15,799.08 : x
  2. Step 2: Convert to fraction form
    27,736.05/38,274.48 = 15,799.08/x
  3. Step 3: Cross multiply
    27,736.05x = 38,274.48 × 15,799.08
  4. Step 4: Simplify right side
    27,736.05x = 604,701,571.48
  5. Step 5: Solve for x
    x = 604,701,571.48/27,736.05
  6. Step 6: Final answer
    x = 21,802.01

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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.