Home / 28,893.38-43,347.35-8,116.88

Finding the Fourth Proportional to 28,893.38, 43,347.35 and 8,116.88

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Solution

The fourth proportional to 28,893.38, 43,347.35 and 8,116.88 is: 12,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.38 : 43,347.35 = 8,116.88 : x
  2. Step 2: Convert to fraction form
    28,893.38/43,347.35 = 8,116.88/x
  3. Step 3: Cross multiply
    28,893.38x = 43,347.35 × 8,116.88
  4. Step 4: Simplify right side
    28,893.38x = 351,845,041.82
  5. Step 5: Solve for x
    x = 351,845,041.82/28,893.38
  6. Step 6: Final answer
    x = 12,177.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.