Home / 28,711.44-43,073.37-8,719.29

Finding the Fourth Proportional to 28,711.44, 43,073.37 and 8,719.29

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Solution

The fourth proportional to 28,711.44, 43,073.37 and 8,719.29 is: 13,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.44 : 43,073.37 = 8,719.29 : x
  2. Step 2: Convert to fraction form
    28,711.44/43,073.37 = 8,719.29/x
  3. Step 3: Cross multiply
    28,711.44x = 43,073.37 × 8,719.29
  4. Step 4: Simplify right side
    28,711.44x = 375,569,204.31
  5. Step 5: Solve for x
    x = 375,569,204.31/28,711.44
  6. Step 6: Final answer
    x = 13,080.82

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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.