Home / 26,515.56-39,771.25-15,415.17

Finding the Fourth Proportional to 26,515.56, 39,771.25 and 15,415.17

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Solution

The fourth proportional to 26,515.56, 39,771.25 and 15,415.17 is: 23,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.56 : 39,771.25 = 15,415.17 : x
  2. Step 2: Convert to fraction form
    26,515.56/39,771.25 = 15,415.17/x
  3. Step 3: Cross multiply
    26,515.56x = 39,771.25 × 15,415.17
  4. Step 4: Simplify right side
    26,515.56x = 613,080,579.86
  5. Step 5: Solve for x
    x = 613,080,579.86/26,515.56
  6. Step 6: Final answer
    x = 23,121.54

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1.5x scale

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.