Home / 28,363.56-42,532.38-9,891.24

Finding the Fourth Proportional to 28,363.56, 42,532.38 and 9,891.24

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Solution

The fourth proportional to 28,363.56, 42,532.38 and 9,891.24 is: 14,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.56 : 42,532.38 = 9,891.24 : x
  2. Step 2: Convert to fraction form
    28,363.56/42,532.38 = 9,891.24/x
  3. Step 3: Cross multiply
    28,363.56x = 42,532.38 × 9,891.24
  4. Step 4: Simplify right side
    28,363.56x = 420,697,978.35
  5. Step 5: Solve for x
    x = 420,697,978.35/28,363.56
  6. Step 6: Final answer
    x = 14,832.34

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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.