Home / 28,634.44-39,510.96-18,576.68

Finding the Fourth Proportional to 28,634.44, 39,510.96 and 18,576.68

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Solution

The fourth proportional to 28,634.44, 39,510.96 and 18,576.68 is: 25,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.44 : 39,510.96 = 18,576.68 : x
  2. Step 2: Convert to fraction form
    28,634.44/39,510.96 = 18,576.68/x
  3. Step 3: Cross multiply
    28,634.44x = 39,510.96 × 18,576.68
  4. Step 4: Simplify right side
    28,634.44x = 733,982,460.41
  5. Step 5: Solve for x
    x = 733,982,460.41/28,634.44
  6. Step 6: Final answer
    x = 25,632.86

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1.5x scale

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.