Home / 18,795.92-28,139.06-16,289.52

Finding the Fourth Proportional to 18,795.92, 28,139.06 and 16,289.52

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Solution

The fourth proportional to 18,795.92, 28,139.06 and 16,289.52 is: 24,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.92 : 28,139.06 = 16,289.52 : x
  2. Step 2: Convert to fraction form
    18,795.92/28,139.06 = 16,289.52/x
  3. Step 3: Cross multiply
    18,795.92x = 28,139.06 × 16,289.52
  4. Step 4: Simplify right side
    18,795.92x = 458,371,780.65
  5. Step 5: Solve for x
    x = 458,371,780.65/18,795.92
  6. Step 6: Final answer
    x = 24,386.77

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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.