Home / 26,749.77-36,912.67-14,647.60

Finding the Fourth Proportional to 26,749.77, 36,912.67 and 14,647.60

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Solution

The fourth proportional to 26,749.77, 36,912.67 and 14,647.60 is: 20,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.77 : 36,912.67 = 14,647.60 : x
  2. Step 2: Convert to fraction form
    26,749.77/36,912.67 = 14,647.60/x
  3. Step 3: Cross multiply
    26,749.77x = 36,912.67 × 14,647.60
  4. Step 4: Simplify right side
    26,749.77x = 540,682,025.09
  5. Step 5: Solve for x
    x = 540,682,025.09/26,749.77
  6. Step 6: Final answer
    x = 20,212.59

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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.