Home / 23,670.34-35,506.41-7,876.78

Finding the Fourth Proportional to 23,670.34, 35,506.41 and 7,876.78

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Solution

The fourth proportional to 23,670.34, 35,506.41 and 7,876.78 is: 11,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,670.34 : 35,506.41 = 7,876.78 : x
  2. Step 2: Convert to fraction form
    23,670.34/35,506.41 = 7,876.78/x
  3. Step 3: Cross multiply
    23,670.34x = 35,506.41 × 7,876.78
  4. Step 4: Simplify right side
    23,670.34x = 279,676,180.16
  5. Step 5: Solve for x
    x = 279,676,180.16/23,670.34
  6. Step 6: Final answer
    x = 11,815.47

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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.