Home / 25,400.32-38,102.12-6,680.82

Finding the Fourth Proportional to 25,400.32, 38,102.12 and 6,680.82

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Solution

The fourth proportional to 25,400.32, 38,102.12 and 6,680.82 is: 10,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.32 : 38,102.12 = 6,680.82 : x
  2. Step 2: Convert to fraction form
    25,400.32/38,102.12 = 6,680.82/x
  3. Step 3: Cross multiply
    25,400.32x = 38,102.12 × 6,680.82
  4. Step 4: Simplify right side
    25,400.32x = 254,553,405.34
  5. Step 5: Solve for x
    x = 254,553,405.34/25,400.32
  6. Step 6: Final answer
    x = 10,021.66

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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.