Home / 27,081.72-40,623.30-7,360.20

Finding the Fourth Proportional to 27,081.72, 40,623.30 and 7,360.20

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Solution

The fourth proportional to 27,081.72, 40,623.30 and 7,360.20 is: 11,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.72 : 40,623.30 = 7,360.20 : x
  2. Step 2: Convert to fraction form
    27,081.72/40,623.30 = 7,360.20/x
  3. Step 3: Cross multiply
    27,081.72x = 40,623.30 × 7,360.20
  4. Step 4: Simplify right side
    27,081.72x = 298,995,612.66
  5. Step 5: Solve for x
    x = 298,995,612.66/27,081.72
  6. Step 6: Final answer
    x = 11,040.50

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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.