Home / 62,511.72-93,764.32-15,765

Finding the Fourth Proportional to 62,511.72, 93,764.32 and 15,765

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Solution

The fourth proportional to 62,511.72, 93,764.32 and 15,765 is: 23,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,511.72 : 93,764.32 = 15,765 : x
  2. Step 2: Convert to fraction form
    62,511.72/93,764.32 = 15,765/x
  3. Step 3: Cross multiply
    62,511.72x = 93,764.32 × 15,765
  4. Step 4: Simplify right side
    62,511.72x = 1,478,194,504.80
  5. Step 5: Solve for x
    x = 1,478,194,504.80/62,511.72
  6. Step 6: Final answer
    x = 23,646.68

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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.