Home / 21,551.26-29,733.81-13,050.66

Finding the Fourth Proportional to 21,551.26, 29,733.81 and 13,050.66

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Solution

The fourth proportional to 21,551.26, 29,733.81 and 13,050.66 is: 18,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.26 : 29,733.81 = 13,050.66 : x
  2. Step 2: Convert to fraction form
    21,551.26/29,733.81 = 13,050.66/x
  3. Step 3: Cross multiply
    21,551.26x = 29,733.81 × 13,050.66
  4. Step 4: Simplify right side
    21,551.26x = 388,045,844.81
  5. Step 5: Solve for x
    x = 388,045,844.81/21,551.26
  6. Step 6: Final answer
    x = 18,005.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.