Home / 28,626.51-42,919.01-19,243.26

Finding the Fourth Proportional to 28,626.51, 42,919.01 and 19,243.26

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Solution

The fourth proportional to 28,626.51, 42,919.01 and 19,243.26 is: 28,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.51 : 42,919.01 = 19,243.26 : x
  2. Step 2: Convert to fraction form
    28,626.51/42,919.01 = 19,243.26/x
  3. Step 3: Cross multiply
    28,626.51x = 42,919.01 × 19,243.26
  4. Step 4: Simplify right side
    28,626.51x = 825,901,752.56
  5. Step 5: Solve for x
    x = 825,901,752.56/28,626.51
  6. Step 6: Final answer
    x = 28,850.94

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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.