Home / 27,615.80-41,430.60-8,897.60

Finding the Fourth Proportional to 27,615.80, 41,430.60 and 8,897.60

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Solution

The fourth proportional to 27,615.80, 41,430.60 and 8,897.60 is: 13,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.80 : 41,430.60 = 8,897.60 : x
  2. Step 2: Convert to fraction form
    27,615.80/41,430.60 = 8,897.60/x
  3. Step 3: Cross multiply
    27,615.80x = 41,430.60 × 8,897.60
  4. Step 4: Simplify right side
    27,615.80x = 368,632,906.56
  5. Step 5: Solve for x
    x = 368,632,906.56/27,615.80
  6. Step 6: Final answer
    x = 13,348.62

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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.