Home / 21,977.97-32,966.49-5,338.08

Finding the Fourth Proportional to 21,977.97, 32,966.49 and 5,338.08

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Solution

The fourth proportional to 21,977.97, 32,966.49 and 5,338.08 is: 8,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.97 : 32,966.49 = 5,338.08 : x
  2. Step 2: Convert to fraction form
    21,977.97/32,966.49 = 5,338.08/x
  3. Step 3: Cross multiply
    21,977.97x = 32,966.49 × 5,338.08
  4. Step 4: Simplify right side
    21,977.97x = 175,977,760.94
  5. Step 5: Solve for x
    x = 175,977,760.94/21,977.97
  6. Step 6: Final answer
    x = 8,007.01

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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.