Home / 21,739.57-32,609.52-7,699.65

Finding the Fourth Proportional to 21,739.57, 32,609.52 and 7,699.65

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Solution

The fourth proportional to 21,739.57, 32,609.52 and 7,699.65 is: 11,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.57 : 32,609.52 = 7,699.65 : x
  2. Step 2: Convert to fraction form
    21,739.57/32,609.52 = 7,699.65/x
  3. Step 3: Cross multiply
    21,739.57x = 32,609.52 × 7,699.65
  4. Step 4: Simplify right side
    21,739.57x = 251,081,890.67
  5. Step 5: Solve for x
    x = 251,081,890.67/21,739.57
  6. Step 6: Final answer
    x = 11,549.54

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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.