Home / 21,882.76-32,812.39-6,887.07

Finding the Fourth Proportional to 21,882.76, 32,812.39 and 6,887.07

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Solution

The fourth proportional to 21,882.76, 32,812.39 and 6,887.07 is: 10,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.76 : 32,812.39 = 6,887.07 : x
  2. Step 2: Convert to fraction form
    21,882.76/32,812.39 = 6,887.07/x
  3. Step 3: Cross multiply
    21,882.76x = 32,812.39 × 6,887.07
  4. Step 4: Simplify right side
    21,882.76x = 225,981,253.35
  5. Step 5: Solve for x
    x = 225,981,253.35/21,882.76
  6. Step 6: Final answer
    x = 10,326.91

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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.