Home / 26,147.28-39,221.04-6,425.84

Finding the Fourth Proportional to 26,147.28, 39,221.04 and 6,425.84

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Solution

The fourth proportional to 26,147.28, 39,221.04 and 6,425.84 is: 9,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.28 : 39,221.04 = 6,425.84 : x
  2. Step 2: Convert to fraction form
    26,147.28/39,221.04 = 6,425.84/x
  3. Step 3: Cross multiply
    26,147.28x = 39,221.04 × 6,425.84
  4. Step 4: Simplify right side
    26,147.28x = 252,028,127.67
  5. Step 5: Solve for x
    x = 252,028,127.67/26,147.28
  6. Step 6: Final answer
    x = 9,638.79

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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.