Home / 21,670.26-32,495.67-6,876.42

Finding the Fourth Proportional to 21,670.26, 32,495.67 and 6,876.42

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Solution

The fourth proportional to 21,670.26, 32,495.67 and 6,876.42 is: 10,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.26 : 32,495.67 = 6,876.42 : x
  2. Step 2: Convert to fraction form
    21,670.26/32,495.67 = 6,876.42/x
  3. Step 3: Cross multiply
    21,670.26x = 32,495.67 × 6,876.42
  4. Step 4: Simplify right side
    21,670.26x = 223,453,875.10
  5. Step 5: Solve for x
    x = 223,453,875.10/21,670.26
  6. Step 6: Final answer
    x = 10,311.55

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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.