Home / 28,235.90-42,354.17-8,514.62

Finding the Fourth Proportional to 28,235.90, 42,354.17 and 8,514.62

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Solution

The fourth proportional to 28,235.90, 42,354.17 and 8,514.62 is: 12,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.90 : 42,354.17 = 8,514.62 : x
  2. Step 2: Convert to fraction form
    28,235.90/42,354.17 = 8,514.62/x
  3. Step 3: Cross multiply
    28,235.90x = 42,354.17 × 8,514.62
  4. Step 4: Simplify right side
    28,235.90x = 360,629,790.14
  5. Step 5: Solve for x
    x = 360,629,790.14/28,235.90
  6. Step 6: Final answer
    x = 12,772.03

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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.