Home / 28,582.08-42,861.24-10,809.65

Finding the Fourth Proportional to 28,582.08, 42,861.24 and 10,809.65

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Solution

The fourth proportional to 28,582.08, 42,861.24 and 10,809.65 is: 16,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.08 : 42,861.24 = 10,809.65 : x
  2. Step 2: Convert to fraction form
    28,582.08/42,861.24 = 10,809.65/x
  3. Step 3: Cross multiply
    28,582.08x = 42,861.24 × 10,809.65
  4. Step 4: Simplify right side
    28,582.08x = 463,314,788.66
  5. Step 5: Solve for x
    x = 463,314,788.66/28,582.08
  6. Step 6: Final answer
    x = 16,209.97

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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.