Home / 27,602.21-41,410.20-12,821.60

Finding the Fourth Proportional to 27,602.21, 41,410.20 and 12,821.60

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Solution

The fourth proportional to 27,602.21, 41,410.20 and 12,821.60 is: 19,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602.21 : 41,410.20 = 12,821.60 : x
  2. Step 2: Convert to fraction form
    27,602.21/41,410.20 = 12,821.60/x
  3. Step 3: Cross multiply
    27,602.21x = 41,410.20 × 12,821.60
  4. Step 4: Simplify right side
    27,602.21x = 530,945,020.32
  5. Step 5: Solve for x
    x = 530,945,020.32/27,602.21
  6. Step 6: Final answer
    x = 19,235.60

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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.