Home / 28,091.31-42,122.82-9,364.77

Finding the Fourth Proportional to 28,091.31, 42,122.82 and 9,364.77

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Solution

The fourth proportional to 28,091.31, 42,122.82 and 9,364.77 is: 14,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.31 : 42,122.82 = 9,364.77 : x
  2. Step 2: Convert to fraction form
    28,091.31/42,122.82 = 9,364.77/x
  3. Step 3: Cross multiply
    28,091.31x = 42,122.82 × 9,364.77
  4. Step 4: Simplify right side
    28,091.31x = 394,470,521.05
  5. Step 5: Solve for x
    x = 394,470,521.05/28,091.31
  6. Step 6: Final answer
    x = 14,042.44

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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.