Home / 28,847.17-43,156.94-21,847.42

Finding the Fourth Proportional to 28,847.17, 43,156.94 and 21,847.42

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Solution

The fourth proportional to 28,847.17, 43,156.94 and 21,847.42 is: 32,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.17 : 43,156.94 = 21,847.42 : x
  2. Step 2: Convert to fraction form
    28,847.17/43,156.94 = 21,847.42/x
  3. Step 3: Cross multiply
    28,847.17x = 43,156.94 × 21,847.42
  4. Step 4: Simplify right side
    28,847.17x = 942,867,738.80
  5. Step 5: Solve for x
    x = 942,867,738.80/28,847.17
  6. Step 6: Final answer
    x = 32,684.93

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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.