Home / 27,919.56-41,879.37-13,117.62

Finding the Fourth Proportional to 27,919.56, 41,879.37 and 13,117.62

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Solution

The fourth proportional to 27,919.56, 41,879.37 and 13,117.62 is: 19,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.56 : 41,879.37 = 13,117.62 : x
  2. Step 2: Convert to fraction form
    27,919.56/41,879.37 = 13,117.62/x
  3. Step 3: Cross multiply
    27,919.56x = 41,879.37 × 13,117.62
  4. Step 4: Simplify right side
    27,919.56x = 549,357,661.50
  5. Step 5: Solve for x
    x = 549,357,661.50/27,919.56
  6. Step 6: Final answer
    x = 19,676.44

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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.