Home / 28,865.40-43,299.60-14,086.92

Finding the Fourth Proportional to 28,865.40, 43,299.60 and 14,086.92

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Solution

The fourth proportional to 28,865.40, 43,299.60 and 14,086.92 is: 21,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.40 : 43,299.60 = 14,086.92 : x
  2. Step 2: Convert to fraction form
    28,865.40/43,299.60 = 14,086.92/x
  3. Step 3: Cross multiply
    28,865.40x = 43,299.60 × 14,086.92
  4. Step 4: Simplify right side
    28,865.40x = 609,958,001.23
  5. Step 5: Solve for x
    x = 609,958,001.23/28,865.40
  6. Step 6: Final answer
    x = 21,131.11

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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.