Home / 26,489.25-39,732.85-8,959.08

Finding the Fourth Proportional to 26,489.25, 39,732.85 and 8,959.08

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Solution

The fourth proportional to 26,489.25, 39,732.85 and 8,959.08 is: 13,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.25 : 39,732.85 = 8,959.08 : x
  2. Step 2: Convert to fraction form
    26,489.25/39,732.85 = 8,959.08/x
  3. Step 3: Cross multiply
    26,489.25x = 39,732.85 × 8,959.08
  4. Step 4: Simplify right side
    26,489.25x = 355,969,855.42
  5. Step 5: Solve for x
    x = 355,969,855.42/26,489.25
  6. Step 6: Final answer
    x = 13,438.27

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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.