Home / 28,560.24-42,843.28-9,837.84

Finding the Fourth Proportional to 28,560.24, 42,843.28 and 9,837.84

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Solution

The fourth proportional to 28,560.24, 42,843.28 and 9,837.84 is: 14,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.24 : 42,843.28 = 9,837.84 : x
  2. Step 2: Convert to fraction form
    28,560.24/42,843.28 = 9,837.84/x
  3. Step 3: Cross multiply
    28,560.24x = 42,843.28 × 9,837.84
  4. Step 4: Simplify right side
    28,560.24x = 421,485,333.72
  5. Step 5: Solve for x
    x = 421,485,333.72/28,560.24
  6. Step 6: Final answer
    x = 14,757.77

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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.