Home / 26,279.89-39,413.92-7,555.76

Finding the Fourth Proportional to 26,279.89, 39,413.92 and 7,555.76

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Solution

The fourth proportional to 26,279.89, 39,413.92 and 7,555.76 is: 11,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.89 : 39,413.92 = 7,555.76 : x
  2. Step 2: Convert to fraction form
    26,279.89/39,413.92 = 7,555.76/x
  3. Step 3: Cross multiply
    26,279.89x = 39,413.92 × 7,555.76
  4. Step 4: Simplify right side
    26,279.89x = 297,802,120.18
  5. Step 5: Solve for x
    x = 297,802,120.18/26,279.89
  6. Step 6: Final answer
    x = 11,331.94

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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.