Home / 17,808.12-26,715.87-5,327.64

Finding the Fourth Proportional to 17,808.12, 26,715.87 and 5,327.64

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Solution

The fourth proportional to 17,808.12, 26,715.87 and 5,327.64 is: 7,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.12 : 26,715.87 = 5,327.64 : x
  2. Step 2: Convert to fraction form
    17,808.12/26,715.87 = 5,327.64/x
  3. Step 3: Cross multiply
    17,808.12x = 26,715.87 × 5,327.64
  4. Step 4: Simplify right side
    17,808.12x = 142,332,537.65
  5. Step 5: Solve for x
    x = 142,332,537.65/17,808.12
  6. Step 6: Final answer
    x = 7,992.56

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1.5x scale

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.