Home / 29,343.87-40,493.93-15,914.61

Finding the Fourth Proportional to 29,343.87, 40,493.93 and 15,914.61

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Solution

The fourth proportional to 29,343.87, 40,493.93 and 15,914.61 is: 21,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.87 : 40,493.93 = 15,914.61 : x
  2. Step 2: Convert to fraction form
    29,343.87/40,493.93 = 15,914.61/x
  3. Step 3: Cross multiply
    29,343.87x = 40,493.93 × 15,914.61
  4. Step 4: Simplify right side
    29,343.87x = 644,445,023.74
  5. Step 5: Solve for x
    x = 644,445,023.74/29,343.87
  6. Step 6: Final answer
    x = 21,961.83

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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.