Home / 27,784.20-41,676.30-7,007.70

Finding the Fourth Proportional to 27,784.20, 41,676.30 and 7,007.70

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Solution

The fourth proportional to 27,784.20, 41,676.30 and 7,007.70 is: 10,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.20 : 41,676.30 = 7,007.70 : x
  2. Step 2: Convert to fraction form
    27,784.20/41,676.30 = 7,007.70/x
  3. Step 3: Cross multiply
    27,784.20x = 41,676.30 × 7,007.70
  4. Step 4: Simplify right side
    27,784.20x = 292,055,007.51
  5. Step 5: Solve for x
    x = 292,055,007.51/27,784.20
  6. Step 6: Final answer
    x = 10,511.55

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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.