Home / 27,745.48-38,288.91-15,170.23

Finding the Fourth Proportional to 27,745.48, 38,288.91 and 15,170.23

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Solution

The fourth proportional to 27,745.48, 38,288.91 and 15,170.23 is: 20,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.48 : 38,288.91 = 15,170.23 : x
  2. Step 2: Convert to fraction form
    27,745.48/38,288.91 = 15,170.23/x
  3. Step 3: Cross multiply
    27,745.48x = 38,288.91 × 15,170.23
  4. Step 4: Simplify right side
    27,745.48x = 580,851,571.15
  5. Step 5: Solve for x
    x = 580,851,571.15/27,745.48
  6. Step 6: Final answer
    x = 20,935.00

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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.