Home / 26,458.43-39,685.20-8,928.41

Finding the Fourth Proportional to 26,458.43, 39,685.20 and 8,928.41

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Solution

The fourth proportional to 26,458.43, 39,685.20 and 8,928.41 is: 13,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.43 : 39,685.20 = 8,928.41 : x
  2. Step 2: Convert to fraction form
    26,458.43/39,685.20 = 8,928.41/x
  3. Step 3: Cross multiply
    26,458.43x = 39,685.20 × 8,928.41
  4. Step 4: Simplify right side
    26,458.43x = 354,325,538.11
  5. Step 5: Solve for x
    x = 354,325,538.11/26,458.43
  6. Step 6: Final answer
    x = 13,391.78

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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.