Home / 28,438.56-39,252.24-17,269.92

Finding the Fourth Proportional to 28,438.56, 39,252.24 and 17,269.92

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Solution

The fourth proportional to 28,438.56, 39,252.24 and 17,269.92 is: 23,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438.56 : 39,252.24 = 17,269.92 : x
  2. Step 2: Convert to fraction form
    28,438.56/39,252.24 = 17,269.92/x
  3. Step 3: Cross multiply
    28,438.56x = 39,252.24 × 17,269.92
  4. Step 4: Simplify right side
    28,438.56x = 677,883,044.62
  5. Step 5: Solve for x
    x = 677,883,044.62/28,438.56
  6. Step 6: Final answer
    x = 23,836.76

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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.