Home / 27,450.16-37,881.06-15,517.36

Finding the Fourth Proportional to 27,450.16, 37,881.06 and 15,517.36

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Solution

The fourth proportional to 27,450.16, 37,881.06 and 15,517.36 is: 21,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.16 : 37,881.06 = 15,517.36 : x
  2. Step 2: Convert to fraction form
    27,450.16/37,881.06 = 15,517.36/x
  3. Step 3: Cross multiply
    27,450.16x = 37,881.06 × 15,517.36
  4. Step 4: Simplify right side
    27,450.16x = 587,814,045.20
  5. Step 5: Solve for x
    x = 587,814,045.20/27,450.16
  6. Step 6: Final answer
    x = 21,413.87

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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.