Home / 26,608.74-39,918.98-7,890.27

Finding the Fourth Proportional to 26,608.74, 39,918.98 and 7,890.27

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Solution

The fourth proportional to 26,608.74, 39,918.98 and 7,890.27 is: 11,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.74 : 39,918.98 = 7,890.27 : x
  2. Step 2: Convert to fraction form
    26,608.74/39,918.98 = 7,890.27/x
  3. Step 3: Cross multiply
    26,608.74x = 39,918.98 × 7,890.27
  4. Step 4: Simplify right side
    26,608.74x = 314,971,550.05
  5. Step 5: Solve for x
    x = 314,971,550.05/26,608.74
  6. Step 6: Final answer
    x = 11,837.15

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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.