Home / 26,935.40-40,399.26-8,465

Finding the Fourth Proportional to 26,935.40, 40,399.26 and 8,465

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Solution

The fourth proportional to 26,935.40, 40,399.26 and 8,465 is: 12,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.40 : 40,399.26 = 8,465 : x
  2. Step 2: Convert to fraction form
    26,935.40/40,399.26 = 8,465/x
  3. Step 3: Cross multiply
    26,935.40x = 40,399.26 × 8,465
  4. Step 4: Simplify right side
    26,935.40x = 341,979,735.90
  5. Step 5: Solve for x
    x = 341,979,735.90/26,935.40
  6. Step 6: Final answer
    x = 12,696.29

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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.