Home / 21,467.54-32,195.49-8,985

Finding the Fourth Proportional to 21,467.54, 32,195.49 and 8,985

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Solution

The fourth proportional to 21,467.54, 32,195.49 and 8,985 is: 13,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.54 : 32,195.49 = 8,985 : x
  2. Step 2: Convert to fraction form
    21,467.54/32,195.49 = 8,985/x
  3. Step 3: Cross multiply
    21,467.54x = 32,195.49 × 8,985
  4. Step 4: Simplify right side
    21,467.54x = 289,276,477.65
  5. Step 5: Solve for x
    x = 289,276,477.65/21,467.54
  6. Step 6: Final answer
    x = 13,475.07

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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.