Home / 28,414.86-42,567.72-15,896.96

Finding the Fourth Proportional to 28,414.86, 42,567.72 and 15,896.96

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Solution

The fourth proportional to 28,414.86, 42,567.72 and 15,896.96 is: 23,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.86 : 42,567.72 = 15,896.96 : x
  2. Step 2: Convert to fraction form
    28,414.86/42,567.72 = 15,896.96/x
  3. Step 3: Cross multiply
    28,414.86x = 42,567.72 × 15,896.96
  4. Step 4: Simplify right side
    28,414.86x = 676,697,129.29
  5. Step 5: Solve for x
    x = 676,697,129.29/28,414.86
  6. Step 6: Final answer
    x = 23,814.90

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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.