Home / 26,042.65-39,065.79-12,891.49

Finding the Fourth Proportional to 26,042.65, 39,065.79 and 12,891.49

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Solution

The fourth proportional to 26,042.65, 39,065.79 and 12,891.49 is: 19,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.65 : 39,065.79 = 12,891.49 : x
  2. Step 2: Convert to fraction form
    26,042.65/39,065.79 = 12,891.49/x
  3. Step 3: Cross multiply
    26,042.65x = 39,065.79 × 12,891.49
  4. Step 4: Simplify right side
    26,042.65x = 503,616,241.13
  5. Step 5: Solve for x
    x = 503,616,241.13/26,042.65
  6. Step 6: Final answer
    x = 19,338.13

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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.