Home / 27,816.36-41,703.60-9,085.20

Finding the Fourth Proportional to 27,816.36, 41,703.60 and 9,085.20

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Solution

The fourth proportional to 27,816.36, 41,703.60 and 9,085.20 is: 13,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.36 : 41,703.60 = 9,085.20 : x
  2. Step 2: Convert to fraction form
    27,816.36/41,703.60 = 9,085.20/x
  3. Step 3: Cross multiply
    27,816.36x = 41,703.60 × 9,085.20
  4. Step 4: Simplify right side
    27,816.36x = 378,885,546.72
  5. Step 5: Solve for x
    x = 378,885,546.72/27,816.36
  6. Step 6: Final answer
    x = 13,620.96

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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.