Home / 27,559.72-41,316.42-12,779.24

Finding the Fourth Proportional to 27,559.72, 41,316.42 and 12,779.24

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Solution

The fourth proportional to 27,559.72, 41,316.42 and 12,779.24 is: 19,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.72 : 41,316.42 = 12,779.24 : x
  2. Step 2: Convert to fraction form
    27,559.72/41,316.42 = 12,779.24/x
  3. Step 3: Cross multiply
    27,559.72x = 41,316.42 × 12,779.24
  4. Step 4: Simplify right side
    27,559.72x = 527,992,447.12
  5. Step 5: Solve for x
    x = 527,992,447.12/27,559.72
  6. Step 6: Final answer
    x = 19,158.12

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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.