Home / 21,718.01-32,578.83-6,929.03

Finding the Fourth Proportional to 21,718.01, 32,578.83 and 6,929.03

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Solution

The fourth proportional to 21,718.01, 32,578.83 and 6,929.03 is: 10,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.01 : 32,578.83 = 6,929.03 : x
  2. Step 2: Convert to fraction form
    21,718.01/32,578.83 = 6,929.03/x
  3. Step 3: Cross multiply
    21,718.01x = 32,578.83 × 6,929.03
  4. Step 4: Simplify right side
    21,718.01x = 225,739,527.54
  5. Step 5: Solve for x
    x = 225,739,527.54/21,718.01
  6. Step 6: Final answer
    x = 10,394.12

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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.