Home / 21,879.18-32,818.77-17,476.02

Finding the Fourth Proportional to 21,879.18, 32,818.77 and 17,476.02

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Solution

The fourth proportional to 21,879.18, 32,818.77 and 17,476.02 is: 26,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,879.18 : 32,818.77 = 17,476.02 : x
  2. Step 2: Convert to fraction form
    21,879.18/32,818.77 = 17,476.02/x
  3. Step 3: Cross multiply
    21,879.18x = 32,818.77 × 17,476.02
  4. Step 4: Simplify right side
    21,879.18x = 573,541,480.90
  5. Step 5: Solve for x
    x = 573,541,480.90/21,879.18
  6. Step 6: Final answer
    x = 26,214.03

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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.