Home / 28,062.27-42,093.30-7,285.77

Finding the Fourth Proportional to 28,062.27, 42,093.30 and 7,285.77

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Solution

The fourth proportional to 28,062.27, 42,093.30 and 7,285.77 is: 10,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.27 : 42,093.30 = 7,285.77 : x
  2. Step 2: Convert to fraction form
    28,062.27/42,093.30 = 7,285.77/x
  3. Step 3: Cross multiply
    28,062.27x = 42,093.30 × 7,285.77
  4. Step 4: Simplify right side
    28,062.27x = 306,682,129.66
  5. Step 5: Solve for x
    x = 306,682,129.66/28,062.27
  6. Step 6: Final answer
    x = 10,928.63

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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.