Home / 25,974.30-38,967.23-12,115.74

Finding the Fourth Proportional to 25,974.30, 38,967.23 and 12,115.74

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Solution

The fourth proportional to 25,974.30, 38,967.23 and 12,115.74 is: 18,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.30 : 38,967.23 = 12,115.74 : x
  2. Step 2: Convert to fraction form
    25,974.30/38,967.23 = 12,115.74/x
  3. Step 3: Cross multiply
    25,974.30x = 38,967.23 × 12,115.74
  4. Step 4: Simplify right side
    25,974.30x = 472,116,827.20
  5. Step 5: Solve for x
    x = 472,116,827.20/25,974.30
  6. Step 6: Final answer
    x = 18,176.31

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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.