Home / 28,993.06-40,022.67-19,574.38

Finding the Fourth Proportional to 28,993.06, 40,022.67 and 19,574.38

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Solution

The fourth proportional to 28,993.06, 40,022.67 and 19,574.38 is: 27,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.06 : 40,022.67 = 19,574.38 : x
  2. Step 2: Convert to fraction form
    28,993.06/40,022.67 = 19,574.38/x
  3. Step 3: Cross multiply
    28,993.06x = 40,022.67 × 19,574.38
  4. Step 4: Simplify right side
    28,993.06x = 783,418,951.19
  5. Step 5: Solve for x
    x = 783,418,951.19/28,993.06
  6. Step 6: Final answer
    x = 27,020.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.