Home / 27,608.80-41,420.10-8,890.60

Finding the Fourth Proportional to 27,608.80, 41,420.10 and 8,890.60

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Solution

The fourth proportional to 27,608.80, 41,420.10 and 8,890.60 is: 13,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.80 : 41,420.10 = 8,890.60 : x
  2. Step 2: Convert to fraction form
    27,608.80/41,420.10 = 8,890.60/x
  3. Step 3: Cross multiply
    27,608.80x = 41,420.10 × 8,890.60
  4. Step 4: Simplify right side
    27,608.80x = 368,249,541.06
  5. Step 5: Solve for x
    x = 368,249,541.06/27,608.80
  6. Step 6: Final answer
    x = 13,338.12

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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.