Home / 27,562.39-37,989.83-21,099.80

Finding the Fourth Proportional to 27,562.39, 37,989.83 and 21,099.80

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Solution

The fourth proportional to 27,562.39, 37,989.83 and 21,099.80 is: 29,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.39 : 37,989.83 = 21,099.80 : x
  2. Step 2: Convert to fraction form
    27,562.39/37,989.83 = 21,099.80/x
  3. Step 3: Cross multiply
    27,562.39x = 37,989.83 × 21,099.80
  4. Step 4: Simplify right side
    27,562.39x = 801,577,815.03
  5. Step 5: Solve for x
    x = 801,577,815.03/27,562.39
  6. Step 6: Final answer
    x = 29,082.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.