Home / 28,763.92-43,145.80-12,950.44

Finding the Fourth Proportional to 28,763.92, 43,145.80 and 12,950.44

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Solution

The fourth proportional to 28,763.92, 43,145.80 and 12,950.44 is: 19,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.92 : 43,145.80 = 12,950.44 : x
  2. Step 2: Convert to fraction form
    28,763.92/43,145.80 = 12,950.44/x
  3. Step 3: Cross multiply
    28,763.92x = 43,145.80 × 12,950.44
  4. Step 4: Simplify right side
    28,763.92x = 558,757,094.15
  5. Step 5: Solve for x
    x = 558,757,094.15/28,763.92
  6. Step 6: Final answer
    x = 19,425.62

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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.