Home / 25,654.63-38,479.42-12,516.07

Finding the Fourth Proportional to 25,654.63, 38,479.42 and 12,516.07

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Solution

The fourth proportional to 25,654.63, 38,479.42 and 12,516.07 is: 18,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.63 : 38,479.42 = 12,516.07 : x
  2. Step 2: Convert to fraction form
    25,654.63/38,479.42 = 12,516.07/x
  3. Step 3: Cross multiply
    25,654.63x = 38,479.42 × 12,516.07
  4. Step 4: Simplify right side
    25,654.63x = 481,611,114.28
  5. Step 5: Solve for x
    x = 481,611,114.28/25,654.63
  6. Step 6: Final answer
    x = 18,772.87

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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.