Home / 27,755.22-41,632.80-6,978.72

Finding the Fourth Proportional to 27,755.22, 41,632.80 and 6,978.72

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Solution

The fourth proportional to 27,755.22, 41,632.80 and 6,978.72 is: 10,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.22 : 41,632.80 = 6,978.72 : x
  2. Step 2: Convert to fraction form
    27,755.22/41,632.80 = 6,978.72/x
  3. Step 3: Cross multiply
    27,755.22x = 41,632.80 × 6,978.72
  4. Step 4: Simplify right side
    27,755.22x = 290,543,654.02
  5. Step 5: Solve for x
    x = 290,543,654.02/27,755.22
  6. Step 6: Final answer
    x = 10,468.07

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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.