Home / 28,340.88-42,514.20-10,825.44

Finding the Fourth Proportional to 28,340.88, 42,514.20 and 10,825.44

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Solution

The fourth proportional to 28,340.88, 42,514.20 and 10,825.44 is: 16,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.88 : 42,514.20 = 10,825.44 : x
  2. Step 2: Convert to fraction form
    28,340.88/42,514.20 = 10,825.44/x
  3. Step 3: Cross multiply
    28,340.88x = 42,514.20 × 10,825.44
  4. Step 4: Simplify right side
    28,340.88x = 460,234,921.25
  5. Step 5: Solve for x
    x = 460,234,921.25/28,340.88
  6. Step 6: Final answer
    x = 16,239.26

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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.