Home / 21,640.65-32,475.48-7,600.73

Finding the Fourth Proportional to 21,640.65, 32,475.48 and 7,600.73

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Solution

The fourth proportional to 21,640.65, 32,475.48 and 7,600.73 is: 11,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.65 : 32,475.48 = 7,600.73 : x
  2. Step 2: Convert to fraction form
    21,640.65/32,475.48 = 7,600.73/x
  3. Step 3: Cross multiply
    21,640.65x = 32,475.48 × 7,600.73
  4. Step 4: Simplify right side
    21,640.65x = 246,837,317.10
  5. Step 5: Solve for x
    x = 246,837,317.10/21,640.65
  6. Step 6: Final answer
    x = 11,406.19

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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.