Home / 26,554.80-39,832.08-12,661.68

Finding the Fourth Proportional to 26,554.80, 39,832.08 and 12,661.68

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Solution

The fourth proportional to 26,554.80, 39,832.08 and 12,661.68 is: 18,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,554.80 : 39,832.08 = 12,661.68 : x
  2. Step 2: Convert to fraction form
    26,554.80/39,832.08 = 12,661.68/x
  3. Step 3: Cross multiply
    26,554.80x = 39,832.08 × 12,661.68
  4. Step 4: Simplify right side
    26,554.80x = 504,341,050.69
  5. Step 5: Solve for x
    x = 504,341,050.69/26,554.80
  6. Step 6: Final answer
    x = 18,992.46

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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.