Home / 26,969.10-40,474.84-18,707.25

Finding the Fourth Proportional to 26,969.10, 40,474.84 and 18,707.25

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Solution

The fourth proportional to 26,969.10, 40,474.84 and 18,707.25 is: 28,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.10 : 40,474.84 = 18,707.25 : x
  2. Step 2: Convert to fraction form
    26,969.10/40,474.84 = 18,707.25/x
  3. Step 3: Cross multiply
    26,969.10x = 40,474.84 × 18,707.25
  4. Step 4: Simplify right side
    26,969.10x = 757,173,090.68
  5. Step 5: Solve for x
    x = 757,173,090.68/26,969.10
  6. Step 6: Final answer
    x = 28,075.58

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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.