Home / 21,834.24-32,751.36-7,975.68

Finding the Fourth Proportional to 21,834.24, 32,751.36 and 7,975.68

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Solution

The fourth proportional to 21,834.24, 32,751.36 and 7,975.68 is: 11,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.24 : 32,751.36 = 7,975.68 : x
  2. Step 2: Convert to fraction form
    21,834.24/32,751.36 = 7,975.68/x
  3. Step 3: Cross multiply
    21,834.24x = 32,751.36 × 7,975.68
  4. Step 4: Simplify right side
    21,834.24x = 261,214,366.92
  5. Step 5: Solve for x
    x = 261,214,366.92/21,834.24
  6. Step 6: Final answer
    x = 11,963.52

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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.