Home / 27,638.70-41,466.81-9,868.95

Finding the Fourth Proportional to 27,638.70, 41,466.81 and 9,868.95

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Solution

The fourth proportional to 27,638.70, 41,466.81 and 9,868.95 is: 14,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.70 : 41,466.81 = 9,868.95 : x
  2. Step 2: Convert to fraction form
    27,638.70/41,466.81 = 9,868.95/x
  3. Step 3: Cross multiply
    27,638.70x = 41,466.81 × 9,868.95
  4. Step 4: Simplify right side
    27,638.70x = 409,233,874.55
  5. Step 5: Solve for x
    x = 409,233,874.55/27,638.70
  6. Step 6: Final answer
    x = 14,806.55

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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.