Home / 21,949.32-32,931.38-6,958.89

Finding the Fourth Proportional to 21,949.32, 32,931.38 and 6,958.89

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Solution

The fourth proportional to 21,949.32, 32,931.38 and 6,958.89 is: 10,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949.32 : 32,931.38 = 6,958.89 : x
  2. Step 2: Convert to fraction form
    21,949.32/32,931.38 = 6,958.89/x
  3. Step 3: Cross multiply
    21,949.32x = 32,931.38 × 6,958.89
  4. Step 4: Simplify right side
    21,949.32x = 229,165,816.17
  5. Step 5: Solve for x
    x = 229,165,816.17/21,949.32
  6. Step 6: Final answer
    x = 10,440.68

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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.