Home / 28,739.46-43,093.80-12,714.42

Finding the Fourth Proportional to 28,739.46, 43,093.80 and 12,714.42

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Solution

The fourth proportional to 28,739.46, 43,093.80 and 12,714.42 is: 19,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.46 : 43,093.80 = 12,714.42 : x
  2. Step 2: Convert to fraction form
    28,739.46/43,093.80 = 12,714.42/x
  3. Step 3: Cross multiply
    28,739.46x = 43,093.80 × 12,714.42
  4. Step 4: Simplify right side
    28,739.46x = 547,912,672.60
  5. Step 5: Solve for x
    x = 547,912,672.60/28,739.46
  6. Step 6: Final answer
    x = 19,064.82

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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.