Home / 26,699.60-40,040.76-19,321.04

Finding the Fourth Proportional to 26,699.60, 40,040.76 and 19,321.04

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Solution

The fourth proportional to 26,699.60, 40,040.76 and 19,321.04 is: 28,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.60 : 40,040.76 = 19,321.04 : x
  2. Step 2: Convert to fraction form
    26,699.60/40,040.76 = 19,321.04/x
  3. Step 3: Cross multiply
    26,699.60x = 40,040.76 × 19,321.04
  4. Step 4: Simplify right side
    26,699.60x = 773,629,125.59
  5. Step 5: Solve for x
    x = 773,629,125.59/26,699.60
  6. Step 6: Final answer
    x = 28,975.31

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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.