Home / 26,299.68-39,376.32-20,467.68

Finding the Fourth Proportional to 26,299.68, 39,376.32 and 20,467.68

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Solution

The fourth proportional to 26,299.68, 39,376.32 and 20,467.68 is: 30,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.68 : 39,376.32 = 20,467.68 : x
  2. Step 2: Convert to fraction form
    26,299.68/39,376.32 = 20,467.68/x
  3. Step 3: Cross multiply
    26,299.68x = 39,376.32 × 20,467.68
  4. Step 4: Simplify right side
    26,299.68x = 805,941,917.34
  5. Step 5: Solve for x
    x = 805,941,917.34/26,299.68
  6. Step 6: Final answer
    x = 30,644.55

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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.