Home / 27,871.51-41,813.65-12,079.19

Finding the Fourth Proportional to 27,871.51, 41,813.65 and 12,079.19

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Solution

The fourth proportional to 27,871.51, 41,813.65 and 12,079.19 is: 18,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.51 : 41,813.65 = 12,079.19 : x
  2. Step 2: Convert to fraction form
    27,871.51/41,813.65 = 12,079.19/x
  3. Step 3: Cross multiply
    27,871.51x = 41,813.65 × 12,079.19
  4. Step 4: Simplify right side
    27,871.51x = 505,075,165.23
  5. Step 5: Solve for x
    x = 505,075,165.23/27,871.51
  6. Step 6: Final answer
    x = 18,121.56

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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.