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Finding the Fourth Proportional to 26,729, 40,075.02 and 19,237.16

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Solution

The fourth proportional to 26,729, 40,075.02 and 19,237.16 is: 28,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729 : 40,075.02 = 19,237.16 : x
  2. Step 2: Convert to fraction form
    26,729/40,075.02 = 19,237.16/x
  3. Step 3: Cross multiply
    26,729x = 40,075.02 × 19,237.16
  4. Step 4: Simplify right side
    26,729x = 770,929,571.74
  5. Step 5: Solve for x
    x = 770,929,571.74/26,729
  6. Step 6: Final answer
    x = 28,842.44

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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.