Home / 20,935.33-31,396.75-6,892.77

Finding the Fourth Proportional to 20,935.33, 31,396.75 and 6,892.77

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Solution

The fourth proportional to 20,935.33, 31,396.75 and 6,892.77 is: 10,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935.33 : 31,396.75 = 6,892.77 : x
  2. Step 2: Convert to fraction form
    20,935.33/31,396.75 = 6,892.77/x
  3. Step 3: Cross multiply
    20,935.33x = 31,396.75 × 6,892.77
  4. Step 4: Simplify right side
    20,935.33x = 216,410,576.50
  5. Step 5: Solve for x
    x = 216,410,576.50/20,935.33
  6. Step 6: Final answer
    x = 10,337.10

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1.5x scale

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.