Home / 17,286.70-23,898.06-17,128.76

Finding the Fourth Proportional to 17,286.70, 23,898.06 and 17,128.76

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Solution

The fourth proportional to 17,286.70, 23,898.06 and 17,128.76 is: 23,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.70 : 23,898.06 = 17,128.76 : x
  2. Step 2: Convert to fraction form
    17,286.70/23,898.06 = 17,128.76/x
  3. Step 3: Cross multiply
    17,286.70x = 23,898.06 × 17,128.76
  4. Step 4: Simplify right side
    17,286.70x = 409,344,134.21
  5. Step 5: Solve for x
    x = 409,344,134.21/17,286.70
  6. Step 6: Final answer
    x = 23,679.72

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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.