Home / 27,485.80-41,220.60-10,840.30

Finding the Fourth Proportional to 27,485.80, 41,220.60 and 10,840.30

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Solution

The fourth proportional to 27,485.80, 41,220.60 and 10,840.30 is: 16,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.80 : 41,220.60 = 10,840.30 : x
  2. Step 2: Convert to fraction form
    27,485.80/41,220.60 = 10,840.30/x
  3. Step 3: Cross multiply
    27,485.80x = 41,220.60 × 10,840.30
  4. Step 4: Simplify right side
    27,485.80x = 446,843,670.18
  5. Step 5: Solve for x
    x = 446,843,670.18/27,485.80
  6. Step 6: Final answer
    x = 16,257.26

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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.