Home / 43,685.78-65,515.97-17,025.83

Finding the Fourth Proportional to 43,685.78, 65,515.97 and 17,025.83

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Solution

The fourth proportional to 43,685.78, 65,515.97 and 17,025.83 is: 25,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685.78 : 65,515.97 = 17,025.83 : x
  2. Step 2: Convert to fraction form
    43,685.78/65,515.97 = 17,025.83/x
  3. Step 3: Cross multiply
    43,685.78x = 65,515.97 × 17,025.83
  4. Step 4: Simplify right side
    43,685.78x = 1,115,463,973.86
  5. Step 5: Solve for x
    x = 1,115,463,973.86/43,685.78
  6. Step 6: Final answer
    x = 25,533.80

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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.