Home / 25,967.10-38,907.45-12,791.10

Finding the Fourth Proportional to 25,967.10, 38,907.45 and 12,791.10

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Solution

The fourth proportional to 25,967.10, 38,907.45 and 12,791.10 is: 19,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.10 : 38,907.45 = 12,791.10 : x
  2. Step 2: Convert to fraction form
    25,967.10/38,907.45 = 12,791.10/x
  3. Step 3: Cross multiply
    25,967.10x = 38,907.45 × 12,791.10
  4. Step 4: Simplify right side
    25,967.10x = 497,669,083.70
  5. Step 5: Solve for x
    x = 497,669,083.70/25,967.10
  6. Step 6: Final answer
    x = 19,165.37

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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.