Home / 28,648.41-39,396.15-22,911.18

Finding the Fourth Proportional to 28,648.41, 39,396.15 and 22,911.18

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Solution

The fourth proportional to 28,648.41, 39,396.15 and 22,911.18 is: 31,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.41 : 39,396.15 = 22,911.18 : x
  2. Step 2: Convert to fraction form
    28,648.41/39,396.15 = 22,911.18/x
  3. Step 3: Cross multiply
    28,648.41x = 39,396.15 × 22,911.18
  4. Step 4: Simplify right side
    28,648.41x = 902,612,283.96
  5. Step 5: Solve for x
    x = 902,612,283.96/28,648.41
  6. Step 6: Final answer
    x = 31,506.54

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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.