Home / 26,847.28-37,054.07-15,515.21

Finding the Fourth Proportional to 26,847.28, 37,054.07 and 15,515.21

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Solution

The fourth proportional to 26,847.28, 37,054.07 and 15,515.21 is: 21,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.28 : 37,054.07 = 15,515.21 : x
  2. Step 2: Convert to fraction form
    26,847.28/37,054.07 = 15,515.21/x
  3. Step 3: Cross multiply
    26,847.28x = 37,054.07 × 15,515.21
  4. Step 4: Simplify right side
    26,847.28x = 574,901,808.83
  5. Step 5: Solve for x
    x = 574,901,808.83/26,847.28
  6. Step 6: Final answer
    x = 21,413.78

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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.