Home / 26,890.62-40,338.07-8,172.29

Finding the Fourth Proportional to 26,890.62, 40,338.07 and 8,172.29

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Solution

The fourth proportional to 26,890.62, 40,338.07 and 8,172.29 is: 12,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.62 : 40,338.07 = 8,172.29 : x
  2. Step 2: Convert to fraction form
    26,890.62/40,338.07 = 8,172.29/x
  3. Step 3: Cross multiply
    26,890.62x = 40,338.07 × 8,172.29
  4. Step 4: Simplify right side
    26,890.62x = 329,654,406.08
  5. Step 5: Solve for x
    x = 329,654,406.08/26,890.62
  6. Step 6: Final answer
    x = 12,259.09

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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.