Home / 25,412.03-38,152.96-12,940.43

Finding the Fourth Proportional to 25,412.03, 38,152.96 and 12,940.43

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Solution

The fourth proportional to 25,412.03, 38,152.96 and 12,940.43 is: 19,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.03 : 38,152.96 = 12,940.43 : x
  2. Step 2: Convert to fraction form
    25,412.03/38,152.96 = 12,940.43/x
  3. Step 3: Cross multiply
    25,412.03x = 38,152.96 × 12,940.43
  4. Step 4: Simplify right side
    25,412.03x = 493,715,708.17
  5. Step 5: Solve for x
    x = 493,715,708.17/25,412.03
  6. Step 6: Final answer
    x = 19,428.42

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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.