Home / 28,026.92-42,054.98-11,399.24

Finding the Fourth Proportional to 28,026.92, 42,054.98 and 11,399.24

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Solution

The fourth proportional to 28,026.92, 42,054.98 and 11,399.24 is: 17,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.92 : 42,054.98 = 11,399.24 : x
  2. Step 2: Convert to fraction form
    28,026.92/42,054.98 = 11,399.24/x
  3. Step 3: Cross multiply
    28,026.92x = 42,054.98 × 11,399.24
  4. Step 4: Simplify right side
    28,026.92x = 479,394,542.94
  5. Step 5: Solve for x
    x = 479,394,542.94/28,026.92
  6. Step 6: Final answer
    x = 17,104.79

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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.