Home / 17,887.71-26,835.84-5,406.96

Finding the Fourth Proportional to 17,887.71, 26,835.84 and 5,406.96

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Solution

The fourth proportional to 17,887.71, 26,835.84 and 5,406.96 is: 8,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.71 : 26,835.84 = 5,406.96 : x
  2. Step 2: Convert to fraction form
    17,887.71/26,835.84 = 5,406.96/x
  3. Step 3: Cross multiply
    17,887.71x = 26,835.84 × 5,406.96
  4. Step 4: Simplify right side
    17,887.71x = 145,100,313.45
  5. Step 5: Solve for x
    x = 145,100,313.45/17,887.71
  6. Step 6: Final answer
    x = 8,111.73

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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.