Home / 28,474.53-42,727.11-11,846.04

Finding the Fourth Proportional to 28,474.53, 42,727.11 and 11,846.04

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Solution

The fourth proportional to 28,474.53, 42,727.11 and 11,846.04 is: 17,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.53 : 42,727.11 = 11,846.04 : x
  2. Step 2: Convert to fraction form
    28,474.53/42,727.11 = 11,846.04/x
  3. Step 3: Cross multiply
    28,474.53x = 42,727.11 × 11,846.04
  4. Step 4: Simplify right side
    28,474.53x = 506,147,054.14
  5. Step 5: Solve for x
    x = 506,147,054.14/28,474.53
  6. Step 6: Final answer
    x = 17,775.43

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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.