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Finding the Fourth Proportional to 43,808.88, 60,435.18 and 28,695

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Solution

The fourth proportional to 43,808.88, 60,435.18 and 28,695 is: 39,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.88 : 60,435.18 = 28,695 : x
  2. Step 2: Convert to fraction form
    43,808.88/60,435.18 = 28,695/x
  3. Step 3: Cross multiply
    43,808.88x = 60,435.18 × 28,695
  4. Step 4: Simplify right side
    43,808.88x = 1,734,187,490.10
  5. Step 5: Solve for x
    x = 1,734,187,490.10/43,808.88
  6. Step 6: Final answer
    x = 39,585.30

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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.