Home / 28,062.30-42,093.09-8,072.28

Finding the Fourth Proportional to 28,062.30, 42,093.09 and 8,072.28

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Solution

The fourth proportional to 28,062.30, 42,093.09 and 8,072.28 is: 12,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.30 : 42,093.09 = 8,072.28 : x
  2. Step 2: Convert to fraction form
    28,062.30/42,093.09 = 8,072.28/x
  3. Step 3: Cross multiply
    28,062.30x = 42,093.09 × 8,072.28
  4. Step 4: Simplify right side
    28,062.30x = 339,787,208.55
  5. Step 5: Solve for x
    x = 339,787,208.55/28,062.30
  6. Step 6: Final answer
    x = 12,108.32

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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.