Home / 28,969.04-43,451.22-11,439.02

Finding the Fourth Proportional to 28,969.04, 43,451.22 and 11,439.02

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Solution

The fourth proportional to 28,969.04, 43,451.22 and 11,439.02 is: 17,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.04 : 43,451.22 = 11,439.02 : x
  2. Step 2: Convert to fraction form
    28,969.04/43,451.22 = 11,439.02/x
  3. Step 3: Cross multiply
    28,969.04x = 43,451.22 × 11,439.02
  4. Step 4: Simplify right side
    28,969.04x = 497,039,374.60
  5. Step 5: Solve for x
    x = 497,039,374.60/28,969.04
  6. Step 6: Final answer
    x = 17,157.61

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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.