Home / 17,159.55-25,729.15-5,309.81

Finding the Fourth Proportional to 17,159.55, 25,729.15 and 5,309.81

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Solution

The fourth proportional to 17,159.55, 25,729.15 and 5,309.81 is: 7,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.55 : 25,729.15 = 5,309.81 : x
  2. Step 2: Convert to fraction form
    17,159.55/25,729.15 = 5,309.81/x
  3. Step 3: Cross multiply
    17,159.55x = 25,729.15 × 5,309.81
  4. Step 4: Simplify right side
    17,159.55x = 136,617,007.21
  5. Step 5: Solve for x
    x = 136,617,007.21/17,159.55
  6. Step 6: Final answer
    x = 7,961.57

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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.