Home / 26,043.15-39,066.54-12,891.99

Finding the Fourth Proportional to 26,043.15, 39,066.54 and 12,891.99

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Solution

The fourth proportional to 26,043.15, 39,066.54 and 12,891.99 is: 19,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,043.15 : 39,066.54 = 12,891.99 : x
  2. Step 2: Convert to fraction form
    26,043.15/39,066.54 = 12,891.99/x
  3. Step 3: Cross multiply
    26,043.15x = 39,066.54 × 12,891.99
  4. Step 4: Simplify right side
    26,043.15x = 503,645,247.68
  5. Step 5: Solve for x
    x = 503,645,247.68/26,043.15
  6. Step 6: Final answer
    x = 19,338.88

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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.