Home / 26,478.37-39,723.27-8,947.81

Finding the Fourth Proportional to 26,478.37, 39,723.27 and 8,947.81

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Solution

The fourth proportional to 26,478.37, 39,723.27 and 8,947.81 is: 13,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.37 : 39,723.27 = 8,947.81 : x
  2. Step 2: Convert to fraction form
    26,478.37/39,723.27 = 8,947.81/x
  3. Step 3: Cross multiply
    26,478.37x = 39,723.27 × 8,947.81
  4. Step 4: Simplify right side
    26,478.37x = 355,436,272.54
  5. Step 5: Solve for x
    x = 355,436,272.54/26,478.37
  6. Step 6: Final answer
    x = 13,423.65

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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.