Home / 28,822.56-43,244.16-9,102.24

Finding the Fourth Proportional to 28,822.56, 43,244.16 and 9,102.24

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Solution

The fourth proportional to 28,822.56, 43,244.16 and 9,102.24 is: 13,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.56 : 43,244.16 = 9,102.24 : x
  2. Step 2: Convert to fraction form
    28,822.56/43,244.16 = 9,102.24/x
  3. Step 3: Cross multiply
    28,822.56x = 43,244.16 × 9,102.24
  4. Step 4: Simplify right side
    28,822.56x = 393,618,722.92
  5. Step 5: Solve for x
    x = 393,618,722.92/28,822.56
  6. Step 6: Final answer
    x = 13,656.62

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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.