Home / 27,026.80-40,564.20-15,919.60

Finding the Fourth Proportional to 27,026.80, 40,564.20 and 15,919.60

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Solution

The fourth proportional to 27,026.80, 40,564.20 and 15,919.60 is: 23,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.80 : 40,564.20 = 15,919.60 : x
  2. Step 2: Convert to fraction form
    27,026.80/40,564.20 = 15,919.60/x
  3. Step 3: Cross multiply
    27,026.80x = 40,564.20 × 15,919.60
  4. Step 4: Simplify right side
    27,026.80x = 645,765,838.32
  5. Step 5: Solve for x
    x = 645,765,838.32/27,026.80
  6. Step 6: Final answer
    x = 23,893.54

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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.