Home / 26,135.88-39,208.67-12,284.88

Finding the Fourth Proportional to 26,135.88, 39,208.67 and 12,284.88

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Solution

The fourth proportional to 26,135.88, 39,208.67 and 12,284.88 is: 18,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.88 : 39,208.67 = 12,284.88 : x
  2. Step 2: Convert to fraction form
    26,135.88/39,208.67 = 12,284.88/x
  3. Step 3: Cross multiply
    26,135.88x = 39,208.67 × 12,284.88
  4. Step 4: Simplify right side
    26,135.88x = 481,673,805.91
  5. Step 5: Solve for x
    x = 481,673,805.91/26,135.88
  6. Step 6: Final answer
    x = 18,429.60

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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.