Home / 29,370.43-40,531.29-15,941.80

Finding the Fourth Proportional to 29,370.43, 40,531.29 and 15,941.80

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Solution

The fourth proportional to 29,370.43, 40,531.29 and 15,941.80 is: 21,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.43 : 40,531.29 = 15,941.80 : x
  2. Step 2: Convert to fraction form
    29,370.43/40,531.29 = 15,941.80/x
  3. Step 3: Cross multiply
    29,370.43x = 40,531.29 × 15,941.80
  4. Step 4: Simplify right side
    29,370.43x = 646,141,481.82
  5. Step 5: Solve for x
    x = 646,141,481.82/29,370.43
  6. Step 6: Final answer
    x = 21,999.73

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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.