Home / 21,481.26-29,657.10-14,042.22

Finding the Fourth Proportional to 21,481.26, 29,657.10 and 14,042.22

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Solution

The fourth proportional to 21,481.26, 29,657.10 and 14,042.22 is: 19,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.26 : 29,657.10 = 14,042.22 : x
  2. Step 2: Convert to fraction form
    21,481.26/29,657.10 = 14,042.22/x
  3. Step 3: Cross multiply
    21,481.26x = 29,657.10 × 14,042.22
  4. Step 4: Simplify right side
    21,481.26x = 416,451,522.76
  5. Step 5: Solve for x
    x = 416,451,522.76/21,481.26
  6. Step 6: Final answer
    x = 19,386.74

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1.5x scale

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.