Home / 27,679.90-41,512.15-7,684.79

Finding the Fourth Proportional to 27,679.90, 41,512.15 and 7,684.79

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Solution

The fourth proportional to 27,679.90, 41,512.15 and 7,684.79 is: 11,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.90 : 41,512.15 = 7,684.79 : x
  2. Step 2: Convert to fraction form
    27,679.90/41,512.15 = 7,684.79/x
  3. Step 3: Cross multiply
    27,679.90x = 41,512.15 × 7,684.79
  4. Step 4: Simplify right side
    27,679.90x = 319,012,155.20
  5. Step 5: Solve for x
    x = 319,012,155.20/27,679.90
  6. Step 6: Final answer
    x = 11,525.05

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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.