Home / 27,982.40-41,973.60-27,690.80

Finding the Fourth Proportional to 27,982.40, 41,973.60 and 27,690.80

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Solution

The fourth proportional to 27,982.40, 41,973.60 and 27,690.80 is: 41,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.40 : 41,973.60 = 27,690.80 : x
  2. Step 2: Convert to fraction form
    27,982.40/41,973.60 = 27,690.80/x
  3. Step 3: Cross multiply
    27,982.40x = 41,973.60 × 27,690.80
  4. Step 4: Simplify right side
    27,982.40x = 1,162,282,562.88
  5. Step 5: Solve for x
    x = 1,162,282,562.88/27,982.40
  6. Step 6: Final answer
    x = 41,536.20

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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.