Home / 27,403.20-41,104.48-10,987.20

Finding the Fourth Proportional to 27,403.20, 41,104.48 and 10,987.20

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Solution

The fourth proportional to 27,403.20, 41,104.48 and 10,987.20 is: 16,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.20 : 41,104.48 = 10,987.20 : x
  2. Step 2: Convert to fraction form
    27,403.20/41,104.48 = 10,987.20/x
  3. Step 3: Cross multiply
    27,403.20x = 41,104.48 × 10,987.20
  4. Step 4: Simplify right side
    27,403.20x = 451,623,142.66
  5. Step 5: Solve for x
    x = 451,623,142.66/27,403.20
  6. Step 6: Final answer
    x = 16,480.67

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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.