Home / 17,717.18-26,579.43-14,815.76

Finding the Fourth Proportional to 17,717.18, 26,579.43 and 14,815.76

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Solution

The fourth proportional to 17,717.18, 26,579.43 and 14,815.76 is: 22,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.18 : 26,579.43 = 14,815.76 : x
  2. Step 2: Convert to fraction form
    17,717.18/26,579.43 = 14,815.76/x
  3. Step 3: Cross multiply
    17,717.18x = 26,579.43 × 14,815.76
  4. Step 4: Simplify right side
    17,717.18x = 393,794,455.82
  5. Step 5: Solve for x
    x = 393,794,455.82/17,717.18
  6. Step 6: Final answer
    x = 22,226.70

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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.