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Finding the Fourth Proportional to 27,705.36, 41,556.60 and 8,985.12

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Solution

The fourth proportional to 27,705.36, 41,556.60 and 8,985.12 is: 13,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.36 : 41,556.60 = 8,985.12 : x
  2. Step 2: Convert to fraction form
    27,705.36/41,556.60 = 8,985.12/x
  3. Step 3: Cross multiply
    27,705.36x = 41,556.60 × 8,985.12
  4. Step 4: Simplify right side
    27,705.36x = 373,391,037.79
  5. Step 5: Solve for x
    x = 373,391,037.79/27,705.36
  6. Step 6: Final answer
    x = 13,477.21

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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.