Home / 28,737.03-43,110.85-12,942.44

Finding the Fourth Proportional to 28,737.03, 43,110.85 and 12,942.44

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Solution

The fourth proportional to 28,737.03, 43,110.85 and 12,942.44 is: 19,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.03 : 43,110.85 = 12,942.44 : x
  2. Step 2: Convert to fraction form
    28,737.03/43,110.85 = 12,942.44/x
  3. Step 3: Cross multiply
    28,737.03x = 43,110.85 × 12,942.44
  4. Step 4: Simplify right side
    28,737.03x = 557,959,589.47
  5. Step 5: Solve for x
    x = 557,959,589.47/28,737.03
  6. Step 6: Final answer
    x = 19,416.05

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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.