Home / 27,850.95-41,781.12-13,811.67

Finding the Fourth Proportional to 27,850.95, 41,781.12 and 13,811.67

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Solution

The fourth proportional to 27,850.95, 41,781.12 and 13,811.67 is: 20,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.95 : 41,781.12 = 13,811.67 : x
  2. Step 2: Convert to fraction form
    27,850.95/41,781.12 = 13,811.67/x
  3. Step 3: Cross multiply
    27,850.95x = 41,781.12 × 13,811.67
  4. Step 4: Simplify right side
    27,850.95x = 577,067,041.67
  5. Step 5: Solve for x
    x = 577,067,041.67/27,850.95
  6. Step 6: Final answer
    x = 20,719.83

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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.