Home / 28,871.10-39,842.15-16,773.93

Finding the Fourth Proportional to 28,871.10, 39,842.15 and 16,773.93

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Solution

The fourth proportional to 28,871.10, 39,842.15 and 16,773.93 is: 23,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.10 : 39,842.15 = 16,773.93 : x
  2. Step 2: Convert to fraction form
    28,871.10/39,842.15 = 16,773.93/x
  3. Step 3: Cross multiply
    28,871.10x = 39,842.15 × 16,773.93
  4. Step 4: Simplify right side
    28,871.10x = 668,309,351.28
  5. Step 5: Solve for x
    x = 668,309,351.28/28,871.10
  6. Step 6: Final answer
    x = 23,148.04

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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.