Home / 19,755.28-27,246.54-16,780.96

Finding the Fourth Proportional to 19,755.28, 27,246.54 and 16,780.96

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Solution

The fourth proportional to 19,755.28, 27,246.54 and 16,780.96 is: 23,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.28 : 27,246.54 = 16,780.96 : x
  2. Step 2: Convert to fraction form
    19,755.28/27,246.54 = 16,780.96/x
  3. Step 3: Cross multiply
    19,755.28x = 27,246.54 × 16,780.96
  4. Step 4: Simplify right side
    19,755.28x = 457,223,097.88
  5. Step 5: Solve for x
    x = 457,223,097.88/19,755.28
  6. Step 6: Final answer
    x = 23,144.35

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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.