Home / 27,120.09-40,690.20-11,326.84

Finding the Fourth Proportional to 27,120.09, 40,690.20 and 11,326.84

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Solution

The fourth proportional to 27,120.09, 40,690.20 and 11,326.84 is: 16,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.09 : 40,690.20 = 11,326.84 : x
  2. Step 2: Convert to fraction form
    27,120.09/40,690.20 = 11,326.84/x
  3. Step 3: Cross multiply
    27,120.09x = 40,690.20 × 11,326.84
  4. Step 4: Simplify right side
    27,120.09x = 460,891,262.00
  5. Step 5: Solve for x
    x = 460,891,262.00/27,120.09
  6. Step 6: Final answer
    x = 16,994.46

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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.