Home / 26,982.76-40,470.30-12,208.36

Finding the Fourth Proportional to 26,982.76, 40,470.30 and 12,208.36

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Solution

The fourth proportional to 26,982.76, 40,470.30 and 12,208.36 is: 18,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.76 : 40,470.30 = 12,208.36 : x
  2. Step 2: Convert to fraction form
    26,982.76/40,470.30 = 12,208.36/x
  3. Step 3: Cross multiply
    26,982.76x = 40,470.30 × 12,208.36
  4. Step 4: Simplify right side
    26,982.76x = 494,075,991.71
  5. Step 5: Solve for x
    x = 494,075,991.71/26,982.76
  6. Step 6: Final answer
    x = 18,310.80

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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.