Home / 26,042.90-39,012.09-11,983.34

Finding the Fourth Proportional to 26,042.90, 39,012.09 and 11,983.34

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Solution

The fourth proportional to 26,042.90, 39,012.09 and 11,983.34 is: 17,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.90 : 39,012.09 = 11,983.34 : x
  2. Step 2: Convert to fraction form
    26,042.90/39,012.09 = 11,983.34/x
  3. Step 3: Cross multiply
    26,042.90x = 39,012.09 × 11,983.34
  4. Step 4: Simplify right side
    26,042.90x = 467,494,943.52
  5. Step 5: Solve for x
    x = 467,494,943.52/26,042.90
  6. Step 6: Final answer
    x = 17,950.96

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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.