Home / 28,905.72-43,337.46-19,522.44

Finding the Fourth Proportional to 28,905.72, 43,337.46 and 19,522.44

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Solution

The fourth proportional to 28,905.72, 43,337.46 and 19,522.44 is: 29,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.72 : 43,337.46 = 19,522.44 : x
  2. Step 2: Convert to fraction form
    28,905.72/43,337.46 = 19,522.44/x
  3. Step 3: Cross multiply
    28,905.72x = 43,337.46 × 19,522.44
  4. Step 4: Simplify right side
    28,905.72x = 846,052,962.60
  5. Step 5: Solve for x
    x = 846,052,962.60/28,905.72
  6. Step 6: Final answer
    x = 29,269.40

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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.