Home / 27,867.96-41,760.90-20,437.80

Finding the Fourth Proportional to 27,867.96, 41,760.90 and 20,437.80

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Solution

The fourth proportional to 27,867.96, 41,760.90 and 20,437.80 is: 30,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.96 : 41,760.90 = 20,437.80 : x
  2. Step 2: Convert to fraction form
    27,867.96/41,760.90 = 20,437.80/x
  3. Step 3: Cross multiply
    27,867.96x = 41,760.90 × 20,437.80
  4. Step 4: Simplify right side
    27,867.96x = 853,500,922.02
  5. Step 5: Solve for x
    x = 853,500,922.02/27,867.96
  6. Step 6: Final answer
    x = 30,626.60

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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.