Home / 47,887.78-71,815.44-16,289.39

Finding the Fourth Proportional to 47,887.78, 71,815.44 and 16,289.39

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Solution

The fourth proportional to 47,887.78, 71,815.44 and 16,289.39 is: 24,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,887.78 : 71,815.44 = 16,289.39 : x
  2. Step 2: Convert to fraction form
    47,887.78/71,815.44 = 16,289.39/x
  3. Step 3: Cross multiply
    47,887.78x = 71,815.44 × 16,289.39
  4. Step 4: Simplify right side
    47,887.78x = 1,169,829,815.45
  5. Step 5: Solve for x
    x = 1,169,829,815.45/47,887.78
  6. Step 6: Final answer
    x = 24,428.57

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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.