Home / 26,652.75-39,979.34-9,122.73

Finding the Fourth Proportional to 26,652.75, 39,979.34 and 9,122.73

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Solution

The fourth proportional to 26,652.75, 39,979.34 and 9,122.73 is: 13,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,652.75 : 39,979.34 = 9,122.73 : x
  2. Step 2: Convert to fraction form
    26,652.75/39,979.34 = 9,122.73/x
  3. Step 3: Cross multiply
    26,652.75x = 39,979.34 × 9,122.73
  4. Step 4: Simplify right side
    26,652.75x = 364,720,678.78
  5. Step 5: Solve for x
    x = 364,720,678.78/26,652.75
  6. Step 6: Final answer
    x = 13,684.17

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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.