Home / 28,636.07-42,933.30-19,252.78

Finding the Fourth Proportional to 28,636.07, 42,933.30 and 19,252.78

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Solution

The fourth proportional to 28,636.07, 42,933.30 and 19,252.78 is: 28,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.07 : 42,933.30 = 19,252.78 : x
  2. Step 2: Convert to fraction form
    28,636.07/42,933.30 = 19,252.78/x
  3. Step 3: Cross multiply
    28,636.07x = 42,933.30 × 19,252.78
  4. Step 4: Simplify right side
    28,636.07x = 826,585,379.57
  5. Step 5: Solve for x
    x = 826,585,379.57/28,636.07
  6. Step 6: Final answer
    x = 28,865.18

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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.