Home / 28,743.02-39,664.77-16,167.77

Finding the Fourth Proportional to 28,743.02, 39,664.77 and 16,167.77

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Solution

The fourth proportional to 28,743.02, 39,664.77 and 16,167.77 is: 22,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.02 : 39,664.77 = 16,167.77 : x
  2. Step 2: Convert to fraction form
    28,743.02/39,664.77 = 16,167.77/x
  3. Step 3: Cross multiply
    28,743.02x = 39,664.77 × 16,167.77
  4. Step 4: Simplify right side
    28,743.02x = 641,290,680.14
  5. Step 5: Solve for x
    x = 641,290,680.14/28,743.02
  6. Step 6: Final answer
    x = 22,311.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.