Home / 28,724.32-43,086.06-10,004

Finding the Fourth Proportional to 28,724.32, 43,086.06 and 10,004

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Solution

The fourth proportional to 28,724.32, 43,086.06 and 10,004 is: 15,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.32 : 43,086.06 = 10,004 : x
  2. Step 2: Convert to fraction form
    28,724.32/43,086.06 = 10,004/x
  3. Step 3: Cross multiply
    28,724.32x = 43,086.06 × 10,004
  4. Step 4: Simplify right side
    28,724.32x = 431,032,944.24
  5. Step 5: Solve for x
    x = 431,032,944.24/28,724.32
  6. Step 6: Final answer
    x = 15,005.85

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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.