Home / 21,890.72-32,837.04-8,032.16

Finding the Fourth Proportional to 21,890.72, 32,837.04 and 8,032.16

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Solution

The fourth proportional to 21,890.72, 32,837.04 and 8,032.16 is: 12,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.72 : 32,837.04 = 8,032.16 : x
  2. Step 2: Convert to fraction form
    21,890.72/32,837.04 = 8,032.16/x
  3. Step 3: Cross multiply
    21,890.72x = 32,837.04 × 8,032.16
  4. Step 4: Simplify right side
    21,890.72x = 263,752,359.21
  5. Step 5: Solve for x
    x = 263,752,359.21/21,890.72
  6. Step 6: Final answer
    x = 12,048.59

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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.