Home / 28,769.18-39,701-16,022.02

Finding the Fourth Proportional to 28,769.18, 39,701 and 16,022.02

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Solution

The fourth proportional to 28,769.18, 39,701 and 16,022.02 is: 22,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.18 : 39,701 = 16,022.02 : x
  2. Step 2: Convert to fraction form
    28,769.18/39,701 = 16,022.02/x
  3. Step 3: Cross multiply
    28,769.18x = 39,701 × 16,022.02
  4. Step 4: Simplify right side
    28,769.18x = 636,090,216.02
  5. Step 5: Solve for x
    x = 636,090,216.02/28,769.18
  6. Step 6: Final answer
    x = 22,110.13

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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.