Home / 28,966.43-39,977.03-17,642.56

Finding the Fourth Proportional to 28,966.43, 39,977.03 and 17,642.56

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Solution

The fourth proportional to 28,966.43, 39,977.03 and 17,642.56 is: 24,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.43 : 39,977.03 = 17,642.56 : x
  2. Step 2: Convert to fraction form
    28,966.43/39,977.03 = 17,642.56/x
  3. Step 3: Cross multiply
    28,966.43x = 39,977.03 × 17,642.56
  4. Step 4: Simplify right side
    28,966.43x = 705,297,150.40
  5. Step 5: Solve for x
    x = 705,297,150.40/28,966.43
  6. Step 6: Final answer
    x = 24,348.78

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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.