Home / 43,972.80-65,976.48-26,455.20

Finding the Fourth Proportional to 43,972.80, 65,976.48 and 26,455.20

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Solution

The fourth proportional to 43,972.80, 65,976.48 and 26,455.20 is: 39,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,972.80 : 65,976.48 = 26,455.20 : x
  2. Step 2: Convert to fraction form
    43,972.80/65,976.48 = 26,455.20/x
  3. Step 3: Cross multiply
    43,972.80x = 65,976.48 × 26,455.20
  4. Step 4: Simplify right side
    43,972.80x = 1,745,420,973.70
  5. Step 5: Solve for x
    x = 1,745,420,973.70/43,972.80
  6. Step 6: Final answer
    x = 39,693.20

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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.