Home / 28,611.24-42,907.68-26,745.48

Finding the Fourth Proportional to 28,611.24, 42,907.68 and 26,745.48

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Solution

The fourth proportional to 28,611.24, 42,907.68 and 26,745.48 is: 40,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611.24 : 42,907.68 = 26,745.48 : x
  2. Step 2: Convert to fraction form
    28,611.24/42,907.68 = 26,745.48/x
  3. Step 3: Cross multiply
    28,611.24x = 42,907.68 × 26,745.48
  4. Step 4: Simplify right side
    28,611.24x = 1,147,586,497.29
  5. Step 5: Solve for x
    x = 1,147,586,497.29/28,611.24
  6. Step 6: Final answer
    x = 40,109.64

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1.5x scale

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.