Home / 28,803.76-43,209.24-11,271.32

Finding the Fourth Proportional to 28,803.76, 43,209.24 and 11,271.32

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Solution

The fourth proportional to 28,803.76, 43,209.24 and 11,271.32 is: 16,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.76 : 43,209.24 = 11,271.32 : x
  2. Step 2: Convert to fraction form
    28,803.76/43,209.24 = 11,271.32/x
  3. Step 3: Cross multiply
    28,803.76x = 43,209.24 × 11,271.32
  4. Step 4: Simplify right side
    28,803.76x = 487,025,171.00
  5. Step 5: Solve for x
    x = 487,025,171.00/28,803.76
  6. Step 6: Final answer
    x = 16,908.39

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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.