Home / 21,535.04-32,275.68-7,668.80

Finding the Fourth Proportional to 21,535.04, 32,275.68 and 7,668.80

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Solution

The fourth proportional to 21,535.04, 32,275.68 and 7,668.80 is: 11,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.04 : 32,275.68 = 7,668.80 : x
  2. Step 2: Convert to fraction form
    21,535.04/32,275.68 = 7,668.80/x
  3. Step 3: Cross multiply
    21,535.04x = 32,275.68 × 7,668.80
  4. Step 4: Simplify right side
    21,535.04x = 247,515,734.78
  5. Step 5: Solve for x
    x = 247,515,734.78/21,535.04
  6. Step 6: Final answer
    x = 11,493.63

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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.