Home / 27,578.27-41,352.27-12,779.03

Finding the Fourth Proportional to 27,578.27, 41,352.27 and 12,779.03

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Solution

The fourth proportional to 27,578.27, 41,352.27 and 12,779.03 is: 19,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.27 : 41,352.27 = 12,779.03 : x
  2. Step 2: Convert to fraction form
    27,578.27/41,352.27 = 12,779.03/x
  3. Step 3: Cross multiply
    27,578.27x = 41,352.27 × 12,779.03
  4. Step 4: Simplify right side
    27,578.27x = 528,441,692.14
  5. Step 5: Solve for x
    x = 528,441,692.14/27,578.27
  6. Step 6: Final answer
    x = 19,161.53

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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.