Home / 28,717.90-43,076.82-8,998

Finding the Fourth Proportional to 28,717.90, 43,076.82 and 8,998

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Solution

The fourth proportional to 28,717.90, 43,076.82 and 8,998 is: 13,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.90 : 43,076.82 = 8,998 : x
  2. Step 2: Convert to fraction form
    28,717.90/43,076.82 = 8,998/x
  3. Step 3: Cross multiply
    28,717.90x = 43,076.82 × 8,998
  4. Step 4: Simplify right side
    28,717.90x = 387,605,226.36
  5. Step 5: Solve for x
    x = 387,605,226.36/28,717.90
  6. Step 6: Final answer
    x = 13,496.99

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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.