Home / 40,428.24-60,651.96-12,726

Finding the Fourth Proportional to 40,428.24, 60,651.96 and 12,726

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Solution

The fourth proportional to 40,428.24, 60,651.96 and 12,726 is: 19,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.24 : 60,651.96 = 12,726 : x
  2. Step 2: Convert to fraction form
    40,428.24/60,651.96 = 12,726/x
  3. Step 3: Cross multiply
    40,428.24x = 60,651.96 × 12,726
  4. Step 4: Simplify right side
    40,428.24x = 771,856,842.96
  5. Step 5: Solve for x
    x = 771,856,842.96/40,428.24
  6. Step 6: Final answer
    x = 19,092.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.