Home / 21,742.20-32,564.70-16,795.80

Finding the Fourth Proportional to 21,742.20, 32,564.70 and 16,795.80

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Solution

The fourth proportional to 21,742.20, 32,564.70 and 16,795.80 is: 25,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.20 : 32,564.70 = 16,795.80 : x
  2. Step 2: Convert to fraction form
    21,742.20/32,564.70 = 16,795.80/x
  3. Step 3: Cross multiply
    21,742.20x = 32,564.70 × 16,795.80
  4. Step 4: Simplify right side
    21,742.20x = 546,950,188.26
  5. Step 5: Solve for x
    x = 546,950,188.26/21,742.20
  6. Step 6: Final answer
    x = 25,156.16

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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.