Home / 26,208.12-39,287.40-8,668.38

Finding the Fourth Proportional to 26,208.12, 39,287.40 and 8,668.38

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Solution

The fourth proportional to 26,208.12, 39,287.40 and 8,668.38 is: 12,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,208.12 : 39,287.40 = 8,668.38 : x
  2. Step 2: Convert to fraction form
    26,208.12/39,287.40 = 8,668.38/x
  3. Step 3: Cross multiply
    26,208.12x = 39,287.40 × 8,668.38
  4. Step 4: Simplify right side
    26,208.12x = 340,558,112.41
  5. Step 5: Solve for x
    x = 340,558,112.41/26,208.12
  6. Step 6: Final answer
    x = 12,994.37

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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.