Home / 26,658.28-39,977.09-8,885.49

Finding the Fourth Proportional to 26,658.28, 39,977.09 and 8,885.49

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Solution

The fourth proportional to 26,658.28, 39,977.09 and 8,885.49 is: 13,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.28 : 39,977.09 = 8,885.49 : x
  2. Step 2: Convert to fraction form
    26,658.28/39,977.09 = 8,885.49/x
  3. Step 3: Cross multiply
    26,658.28x = 39,977.09 × 8,885.49
  4. Step 4: Simplify right side
    26,658.28x = 355,216,033.42
  5. Step 5: Solve for x
    x = 355,216,033.42/26,658.28
  6. Step 6: Final answer
    x = 13,324.79

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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.