Home / 27,788.63-41,670.34-11,986.19

Finding the Fourth Proportional to 27,788.63, 41,670.34 and 11,986.19

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Solution

The fourth proportional to 27,788.63, 41,670.34 and 11,986.19 is: 17,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.63 : 41,670.34 = 11,986.19 : x
  2. Step 2: Convert to fraction form
    27,788.63/41,670.34 = 11,986.19/x
  3. Step 3: Cross multiply
    27,788.63x = 41,670.34 × 11,986.19
  4. Step 4: Simplify right side
    27,788.63x = 499,468,686.81
  5. Step 5: Solve for x
    x = 499,468,686.81/27,788.63
  6. Step 6: Final answer
    x = 17,973.85

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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.