Home / 27,799.80-41,721.63-10,274.64

Finding the Fourth Proportional to 27,799.80, 41,721.63 and 10,274.64

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Solution

The fourth proportional to 27,799.80, 41,721.63 and 10,274.64 is: 15,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.80 : 41,721.63 = 10,274.64 : x
  2. Step 2: Convert to fraction form
    27,799.80/41,721.63 = 10,274.64/x
  3. Step 3: Cross multiply
    27,799.80x = 41,721.63 × 10,274.64
  4. Step 4: Simplify right side
    27,799.80x = 428,674,728.46
  5. Step 5: Solve for x
    x = 428,674,728.46/27,799.80
  6. Step 6: Final answer
    x = 15,420.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.