Home / 15,882.80-23,815.68-5,349.32

Finding the Fourth Proportional to 15,882.80, 23,815.68 and 5,349.32

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Solution

The fourth proportional to 15,882.80, 23,815.68 and 5,349.32 is: 8,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.80 : 23,815.68 = 5,349.32 : x
  2. Step 2: Convert to fraction form
    15,882.80/23,815.68 = 5,349.32/x
  3. Step 3: Cross multiply
    15,882.80x = 23,815.68 × 5,349.32
  4. Step 4: Simplify right side
    15,882.80x = 127,397,693.34
  5. Step 5: Solve for x
    x = 127,397,693.34/15,882.80
  6. Step 6: Final answer
    x = 8,021.11

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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.