Home / 27,480.21-41,220.36-9,945.96

Finding the Fourth Proportional to 27,480.21, 41,220.36 and 9,945.96

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Solution

The fourth proportional to 27,480.21, 41,220.36 and 9,945.96 is: 14,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.21 : 41,220.36 = 9,945.96 : x
  2. Step 2: Convert to fraction form
    27,480.21/41,220.36 = 9,945.96/x
  3. Step 3: Cross multiply
    27,480.21x = 41,220.36 × 9,945.96
  4. Step 4: Simplify right side
    27,480.21x = 409,976,051.75
  5. Step 5: Solve for x
    x = 409,976,051.75/27,480.21
  6. Step 6: Final answer
    x = 14,918.96

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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.