Home / 28,103.25-42,134.38-16,240.30

Finding the Fourth Proportional to 28,103.25, 42,134.38 and 16,240.30

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Solution

The fourth proportional to 28,103.25, 42,134.38 and 16,240.30 is: 24,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,103.25 : 42,134.38 = 16,240.30 : x
  2. Step 2: Convert to fraction form
    28,103.25/42,134.38 = 16,240.30/x
  3. Step 3: Cross multiply
    28,103.25x = 42,134.38 × 16,240.30
  4. Step 4: Simplify right side
    28,103.25x = 684,274,825.58
  5. Step 5: Solve for x
    x = 684,274,825.58/28,103.25
  6. Step 6: Final answer
    x = 24,348.60

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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.