Home / 43,853.28-65,789.60-15,383.36

Finding the Fourth Proportional to 43,853.28, 65,789.60 and 15,383.36

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Solution

The fourth proportional to 43,853.28, 65,789.60 and 15,383.36 is: 23,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.28 : 65,789.60 = 15,383.36 : x
  2. Step 2: Convert to fraction form
    43,853.28/65,789.60 = 15,383.36/x
  3. Step 3: Cross multiply
    43,853.28x = 65,789.60 × 15,383.36
  4. Step 4: Simplify right side
    43,853.28x = 1,012,065,101.06
  5. Step 5: Solve for x
    x = 1,012,065,101.06/43,853.28
  6. Step 6: Final answer
    x = 23,078.44

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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.