Home / 26,418.09-39,632.32-9,778.27

Finding the Fourth Proportional to 26,418.09, 39,632.32 and 9,778.27

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Solution

The fourth proportional to 26,418.09, 39,632.32 and 9,778.27 is: 14,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.09 : 39,632.32 = 9,778.27 : x
  2. Step 2: Convert to fraction form
    26,418.09/39,632.32 = 9,778.27/x
  3. Step 3: Cross multiply
    26,418.09x = 39,632.32 × 9,778.27
  4. Step 4: Simplify right side
    26,418.09x = 387,535,438.83
  5. Step 5: Solve for x
    x = 387,535,438.83/26,418.09
  6. Step 6: Final answer
    x = 14,669.32

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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.