Home / 26,243.49-39,376.86-13,760.52

Finding the Fourth Proportional to 26,243.49, 39,376.86 and 13,760.52

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Solution

The fourth proportional to 26,243.49, 39,376.86 and 13,760.52 is: 20,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243.49 : 39,376.86 = 13,760.52 : x
  2. Step 2: Convert to fraction form
    26,243.49/39,376.86 = 13,760.52/x
  3. Step 3: Cross multiply
    26,243.49x = 39,376.86 × 13,760.52
  4. Step 4: Simplify right side
    26,243.49x = 541,846,069.57
  5. Step 5: Solve for x
    x = 541,846,069.57/26,243.49
  6. Step 6: Final answer
    x = 20,646.88

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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.