Home / 21,468.13-32,180.22-8,995.41

Finding the Fourth Proportional to 21,468.13, 32,180.22 and 8,995.41

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Solution

The fourth proportional to 21,468.13, 32,180.22 and 8,995.41 is: 13,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.13 : 32,180.22 = 8,995.41 : x
  2. Step 2: Convert to fraction form
    21,468.13/32,180.22 = 8,995.41/x
  3. Step 3: Cross multiply
    21,468.13x = 32,180.22 × 8,995.41
  4. Step 4: Simplify right side
    21,468.13x = 289,474,272.79
  5. Step 5: Solve for x
    x = 289,474,272.79/21,468.13
  6. Step 6: Final answer
    x = 13,483.91

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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.