Home / 21,768.35-32,641.70-6,975.34

Finding the Fourth Proportional to 21,768.35, 32,641.70 and 6,975.34

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Solution

The fourth proportional to 21,768.35, 32,641.70 and 6,975.34 is: 10,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.35 : 32,641.70 = 6,975.34 : x
  2. Step 2: Convert to fraction form
    21,768.35/32,641.70 = 6,975.34/x
  3. Step 3: Cross multiply
    21,768.35x = 32,641.70 × 6,975.34
  4. Step 4: Simplify right side
    21,768.35x = 227,686,940.81
  5. Step 5: Solve for x
    x = 227,686,940.81/21,768.35
  6. Step 6: Final answer
    x = 10,459.54

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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.