Home / 26,821.14-40,200.75-19,695.30

Finding the Fourth Proportional to 26,821.14, 40,200.75 and 19,695.30

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Solution

The fourth proportional to 26,821.14, 40,200.75 and 19,695.30 is: 29,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.14 : 40,200.75 = 19,695.30 : x
  2. Step 2: Convert to fraction form
    26,821.14/40,200.75 = 19,695.30/x
  3. Step 3: Cross multiply
    26,821.14x = 40,200.75 × 19,695.30
  4. Step 4: Simplify right side
    26,821.14x = 791,765,831.48
  5. Step 5: Solve for x
    x = 791,765,831.48/26,821.14
  6. Step 6: Final answer
    x = 29,520.22

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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.