Home / 28,617.32-42,933.29-8,896.05

Finding the Fourth Proportional to 28,617.32, 42,933.29 and 8,896.05

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Solution

The fourth proportional to 28,617.32, 42,933.29 and 8,896.05 is: 13,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.32 : 42,933.29 = 8,896.05 : x
  2. Step 2: Convert to fraction form
    28,617.32/42,933.29 = 8,896.05/x
  3. Step 3: Cross multiply
    28,617.32x = 42,933.29 × 8,896.05
  4. Step 4: Simplify right side
    28,617.32x = 381,936,650.02
  5. Step 5: Solve for x
    x = 381,936,650.02/28,617.32
  6. Step 6: Final answer
    x = 13,346.34

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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.