Home / 27,844.84-38,425.41-15,745.13

Finding the Fourth Proportional to 27,844.84, 38,425.41 and 15,745.13

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Solution

The fourth proportional to 27,844.84, 38,425.41 and 15,745.13 is: 21,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.84 : 38,425.41 = 15,745.13 : x
  2. Step 2: Convert to fraction form
    27,844.84/38,425.41 = 15,745.13/x
  3. Step 3: Cross multiply
    27,844.84x = 38,425.41 × 15,745.13
  4. Step 4: Simplify right side
    27,844.84x = 605,012,883.63
  5. Step 5: Solve for x
    x = 605,012,883.63/27,844.84
  6. Step 6: Final answer
    x = 21,728.01

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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.