Home / 26,727.12-40,075.76-10,943.20

Finding the Fourth Proportional to 26,727.12, 40,075.76 and 10,943.20

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Solution

The fourth proportional to 26,727.12, 40,075.76 and 10,943.20 is: 16,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,727.12 : 40,075.76 = 10,943.20 : x
  2. Step 2: Convert to fraction form
    26,727.12/40,075.76 = 10,943.20/x
  3. Step 3: Cross multiply
    26,727.12x = 40,075.76 × 10,943.20
  4. Step 4: Simplify right side
    26,727.12x = 438,557,056.83
  5. Step 5: Solve for x
    x = 438,557,056.83/26,727.12
  6. Step 6: Final answer
    x = 16,408.69

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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.