Home / 28,755.08-39,681.92-16,179.83

Finding the Fourth Proportional to 28,755.08, 39,681.92 and 16,179.83

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Solution

The fourth proportional to 28,755.08, 39,681.92 and 16,179.83 is: 22,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.08 : 39,681.92 = 16,179.83 : x
  2. Step 2: Convert to fraction form
    28,755.08/39,681.92 = 16,179.83/x
  3. Step 3: Cross multiply
    28,755.08x = 39,681.92 × 16,179.83
  4. Step 4: Simplify right side
    28,755.08x = 642,046,561.71
  5. Step 5: Solve for x
    x = 642,046,561.71/28,755.08
  6. Step 6: Final answer
    x = 22,328.11

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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.