Home / 28,769.13-39,699.89-16,022.08

Finding the Fourth Proportional to 28,769.13, 39,699.89 and 16,022.08

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Solution

The fourth proportional to 28,769.13, 39,699.89 and 16,022.08 is: 22,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.13 : 39,699.89 = 16,022.08 : x
  2. Step 2: Convert to fraction form
    28,769.13/39,699.89 = 16,022.08/x
  3. Step 3: Cross multiply
    28,769.13x = 39,699.89 × 16,022.08
  4. Step 4: Simplify right side
    28,769.13x = 636,074,634.21
  5. Step 5: Solve for x
    x = 636,074,634.21/28,769.13
  6. Step 6: Final answer
    x = 22,109.63

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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.