Home / 26,414.65-39,634.80-11,621.66

Finding the Fourth Proportional to 26,414.65, 39,634.80 and 11,621.66

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Solution

The fourth proportional to 26,414.65, 39,634.80 and 11,621.66 is: 17,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.65 : 39,634.80 = 11,621.66 : x
  2. Step 2: Convert to fraction form
    26,414.65/39,634.80 = 11,621.66/x
  3. Step 3: Cross multiply
    26,414.65x = 39,634.80 × 11,621.66
  4. Step 4: Simplify right side
    26,414.65x = 460,621,971.59
  5. Step 5: Solve for x
    x = 460,621,971.59/26,414.65
  6. Step 6: Final answer
    x = 17,438.13

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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.