Home / 28,005.24-41,993.34-8,281.20

Finding the Fourth Proportional to 28,005.24, 41,993.34 and 8,281.20

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Solution

The fourth proportional to 28,005.24, 41,993.34 and 8,281.20 is: 12,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.24 : 41,993.34 = 8,281.20 : x
  2. Step 2: Convert to fraction form
    28,005.24/41,993.34 = 8,281.20/x
  3. Step 3: Cross multiply
    28,005.24x = 41,993.34 × 8,281.20
  4. Step 4: Simplify right side
    28,005.24x = 347,755,247.21
  5. Step 5: Solve for x
    x = 347,755,247.21/28,005.24
  6. Step 6: Final answer
    x = 12,417.51

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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.