Home / 17,626.21-26,440.53-5,146.35

Finding the Fourth Proportional to 17,626.21, 26,440.53 and 5,146.35

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Solution

The fourth proportional to 17,626.21, 26,440.53 and 5,146.35 is: 7,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.21 : 26,440.53 = 5,146.35 : x
  2. Step 2: Convert to fraction form
    17,626.21/26,440.53 = 5,146.35/x
  3. Step 3: Cross multiply
    17,626.21x = 26,440.53 × 5,146.35
  4. Step 4: Simplify right side
    17,626.21x = 136,072,221.57
  5. Step 5: Solve for x
    x = 136,072,221.57/17,626.21
  6. Step 6: Final answer
    x = 7,719.88

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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.