Home / 28,698.30-43,029.83-11,147.63

Finding the Fourth Proportional to 28,698.30, 43,029.83 and 11,147.63

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Solution

The fourth proportional to 28,698.30, 43,029.83 and 11,147.63 is: 16,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.30 : 43,029.83 = 11,147.63 : x
  2. Step 2: Convert to fraction form
    28,698.30/43,029.83 = 11,147.63/x
  3. Step 3: Cross multiply
    28,698.30x = 43,029.83 × 11,147.63
  4. Step 4: Simplify right side
    28,698.30x = 479,680,436.52
  5. Step 5: Solve for x
    x = 479,680,436.52/28,698.30
  6. Step 6: Final answer
    x = 16,714.59

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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.