Home / 25,185.14-37,745.40-21,282.38

Finding the Fourth Proportional to 25,185.14, 37,745.40 and 21,282.38

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Solution

The fourth proportional to 25,185.14, 37,745.40 and 21,282.38 is: 31,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.14 : 37,745.40 = 21,282.38 : x
  2. Step 2: Convert to fraction form
    25,185.14/37,745.40 = 21,282.38/x
  3. Step 3: Cross multiply
    25,185.14x = 37,745.40 × 21,282.38
  4. Step 4: Simplify right side
    25,185.14x = 803,311,946.05
  5. Step 5: Solve for x
    x = 803,311,946.05/25,185.14
  6. Step 6: Final answer
    x = 31,896.27

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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.