Home / 27,839.97-38,420.73-16,516.17

Finding the Fourth Proportional to 27,839.97, 38,420.73 and 16,516.17

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Solution

The fourth proportional to 27,839.97, 38,420.73 and 16,516.17 is: 22,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.97 : 38,420.73 = 16,516.17 : x
  2. Step 2: Convert to fraction form
    27,839.97/38,420.73 = 16,516.17/x
  3. Step 3: Cross multiply
    27,839.97x = 38,420.73 × 16,516.17
  4. Step 4: Simplify right side
    27,839.97x = 634,563,308.20
  5. Step 5: Solve for x
    x = 634,563,308.20/27,839.97
  6. Step 6: Final answer
    x = 22,793.25

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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.