Home / 43,783.08-65,676.03-17,128.02

Finding the Fourth Proportional to 43,783.08, 65,676.03 and 17,128.02

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Solution

The fourth proportional to 43,783.08, 65,676.03 and 17,128.02 is: 25,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783.08 : 65,676.03 = 17,128.02 : x
  2. Step 2: Convert to fraction form
    43,783.08/65,676.03 = 17,128.02/x
  3. Step 3: Cross multiply
    43,783.08x = 65,676.03 × 17,128.02
  4. Step 4: Simplify right side
    43,783.08x = 1,124,900,355.36
  5. Step 5: Solve for x
    x = 1,124,900,355.36/43,783.08
  6. Step 6: Final answer
    x = 25,692.58

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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.