Home / 17,758.79-26,639.49-5,108.03

Finding the Fourth Proportional to 17,758.79, 26,639.49 and 5,108.03

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Solution

The fourth proportional to 17,758.79, 26,639.49 and 5,108.03 is: 7,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.79 : 26,639.49 = 5,108.03 : x
  2. Step 2: Convert to fraction form
    17,758.79/26,639.49 = 5,108.03/x
  3. Step 3: Cross multiply
    17,758.79x = 26,639.49 × 5,108.03
  4. Step 4: Simplify right side
    17,758.79x = 136,075,378.99
  5. Step 5: Solve for x
    x = 136,075,378.99/17,758.79
  6. Step 6: Final answer
    x = 7,662.43

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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.