Home / 27,830.71-41,742.69-11,190.07

Finding the Fourth Proportional to 27,830.71, 41,742.69 and 11,190.07

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Solution

The fourth proportional to 27,830.71, 41,742.69 and 11,190.07 is: 16,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.71 : 41,742.69 = 11,190.07 : x
  2. Step 2: Convert to fraction form
    27,830.71/41,742.69 = 11,190.07/x
  3. Step 3: Cross multiply
    27,830.71x = 41,742.69 × 11,190.07
  4. Step 4: Simplify right side
    27,830.71x = 467,103,623.09
  5. Step 5: Solve for x
    x = 467,103,623.09/27,830.71
  6. Step 6: Final answer
    x = 16,783.75

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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.