Home / 28,914.56-43,374.72-13,336.64

Finding the Fourth Proportional to 28,914.56, 43,374.72 and 13,336.64

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Solution

The fourth proportional to 28,914.56, 43,374.72 and 13,336.64 is: 20,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.56 : 43,374.72 = 13,336.64 : x
  2. Step 2: Convert to fraction form
    28,914.56/43,374.72 = 13,336.64/x
  3. Step 3: Cross multiply
    28,914.56x = 43,374.72 × 13,336.64
  4. Step 4: Simplify right side
    28,914.56x = 578,473,025.74
  5. Step 5: Solve for x
    x = 578,473,025.74/28,914.56
  6. Step 6: Final answer
    x = 20,006.29

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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.