Home / 28,941.08-43,408.36-19,640.84

Finding the Fourth Proportional to 28,941.08, 43,408.36 and 19,640.84

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Solution

The fourth proportional to 28,941.08, 43,408.36 and 19,640.84 is: 29,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.08 : 43,408.36 = 19,640.84 : x
  2. Step 2: Convert to fraction form
    28,941.08/43,408.36 = 19,640.84/x
  3. Step 3: Cross multiply
    28,941.08x = 43,408.36 × 19,640.84
  4. Step 4: Simplify right side
    28,941.08x = 852,576,653.42
  5. Step 5: Solve for x
    x = 852,576,653.42/28,941.08
  6. Step 6: Final answer
    x = 29,459.05

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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.