Home / 26,811-36,999.18-14,876.28

Finding the Fourth Proportional to 26,811, 36,999.18 and 14,876.28

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Solution

The fourth proportional to 26,811, 36,999.18 and 14,876.28 is: 20,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811 : 36,999.18 = 14,876.28 : x
  2. Step 2: Convert to fraction form
    26,811/36,999.18 = 14,876.28/x
  3. Step 3: Cross multiply
    26,811x = 36,999.18 × 14,876.28
  4. Step 4: Simplify right side
    26,811x = 550,410,161.45
  5. Step 5: Solve for x
    x = 550,410,161.45/26,811
  6. Step 6: Final answer
    x = 20,529.27

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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.