Home / 28,641.33-42,974.73-11,112.51

Finding the Fourth Proportional to 28,641.33, 42,974.73 and 11,112.51

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Solution

The fourth proportional to 28,641.33, 42,974.73 and 11,112.51 is: 16,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.33 : 42,974.73 = 11,112.51 : x
  2. Step 2: Convert to fraction form
    28,641.33/42,974.73 = 11,112.51/x
  3. Step 3: Cross multiply
    28,641.33x = 42,974.73 × 11,112.51
  4. Step 4: Simplify right side
    28,641.33x = 477,557,116.87
  5. Step 5: Solve for x
    x = 477,557,116.87/28,641.33
  6. Step 6: Final answer
    x = 16,673.71

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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.