Home / 29,388.05-43,772.41-28,772.96

Finding the Fourth Proportional to 29,388.05, 43,772.41 and 28,772.96

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Solution

The fourth proportional to 29,388.05, 43,772.41 and 28,772.96 is: 42,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.05 : 43,772.41 = 28,772.96 : x
  2. Step 2: Convert to fraction form
    29,388.05/43,772.41 = 28,772.96/x
  3. Step 3: Cross multiply
    29,388.05x = 43,772.41 × 28,772.96
  4. Step 4: Simplify right side
    29,388.05x = 1,259,461,439.31
  5. Step 5: Solve for x
    x = 1,259,461,439.31/29,388.05
  6. Step 6: Final answer
    x = 42,856.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.