Home / 29,486.72-40,691.27-16,739.79

Finding the Fourth Proportional to 29,486.72, 40,691.27 and 16,739.79

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Solution

The fourth proportional to 29,486.72, 40,691.27 and 16,739.79 is: 23,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.72 : 40,691.27 = 16,739.79 : x
  2. Step 2: Convert to fraction form
    29,486.72/40,691.27 = 16,739.79/x
  3. Step 3: Cross multiply
    29,486.72x = 40,691.27 × 16,739.79
  4. Step 4: Simplify right side
    29,486.72x = 681,163,314.63
  5. Step 5: Solve for x
    x = 681,163,314.63/29,486.72
  6. Step 6: Final answer
    x = 23,100.68

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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.