Home / 25,405.65-38,119.41-12,267.86

Finding the Fourth Proportional to 25,405.65, 38,119.41 and 12,267.86

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Solution

The fourth proportional to 25,405.65, 38,119.41 and 12,267.86 is: 18,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.65 : 38,119.41 = 12,267.86 : x
  2. Step 2: Convert to fraction form
    25,405.65/38,119.41 = 12,267.86/x
  3. Step 3: Cross multiply
    25,405.65x = 38,119.41 × 12,267.86
  4. Step 4: Simplify right side
    25,405.65x = 467,643,394.57
  5. Step 5: Solve for x
    x = 467,643,394.57/25,405.65
  6. Step 6: Final answer
    x = 18,407.06

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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.