Home / 17,664.20-26,496.30-16,281.80

Finding the Fourth Proportional to 17,664.20, 26,496.30 and 16,281.80

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Solution

The fourth proportional to 17,664.20, 26,496.30 and 16,281.80 is: 24,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.20 : 26,496.30 = 16,281.80 : x
  2. Step 2: Convert to fraction form
    17,664.20/26,496.30 = 16,281.80/x
  3. Step 3: Cross multiply
    17,664.20x = 26,496.30 × 16,281.80
  4. Step 4: Simplify right side
    17,664.20x = 431,407,457.34
  5. Step 5: Solve for x
    x = 431,407,457.34/17,664.20
  6. Step 6: Final answer
    x = 24,422.70

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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.