Home / 25,873.63-38,818.64-19,640.68

Finding the Fourth Proportional to 25,873.63, 38,818.64 and 19,640.68

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Solution

The fourth proportional to 25,873.63, 38,818.64 and 19,640.68 is: 29,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.63 : 38,818.64 = 19,640.68 : x
  2. Step 2: Convert to fraction form
    25,873.63/38,818.64 = 19,640.68/x
  3. Step 3: Cross multiply
    25,873.63x = 38,818.64 × 19,640.68
  4. Step 4: Simplify right side
    25,873.63x = 762,424,438.33
  5. Step 5: Solve for x
    x = 762,424,438.33/25,873.63
  6. Step 6: Final answer
    x = 29,467.24

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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.