Home / 21,452.65-32,168.00-8,969.27

Finding the Fourth Proportional to 21,452.65, 32,168.00 and 8,969.27

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Solution

The fourth proportional to 21,452.65, 32,168.00 and 8,969.27 is: 13,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.65 : 32,168.00 = 8,969.27 : x
  2. Step 2: Convert to fraction form
    21,452.65/32,168.00 = 8,969.27/x
  3. Step 3: Cross multiply
    21,452.65x = 32,168.00 × 8,969.27
  4. Step 4: Simplify right side
    21,452.65x = 288,523,338.94
  5. Step 5: Solve for x
    x = 288,523,338.94/21,452.65
  6. Step 6: Final answer
    x = 13,449.31

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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.