Home / 26,879.75-40,118.24-26,436.31

Finding the Fourth Proportional to 26,879.75, 40,118.24 and 26,436.31

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Solution

The fourth proportional to 26,879.75, 40,118.24 and 26,436.31 is: 39,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.75 : 40,118.24 = 26,436.31 : x
  2. Step 2: Convert to fraction form
    26,879.75/40,118.24 = 26,436.31/x
  3. Step 3: Cross multiply
    26,879.75x = 40,118.24 × 26,436.31
  4. Step 4: Simplify right side
    26,879.75x = 1,060,578,215.63
  5. Step 5: Solve for x
    x = 1,060,578,215.63/26,879.75
  6. Step 6: Final answer
    x = 39,456.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.