Home / 17,758.39-26,628.31-5,276.70

Finding the Fourth Proportional to 17,758.39, 26,628.31 and 5,276.70

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Solution

The fourth proportional to 17,758.39, 26,628.31 and 5,276.70 is: 7,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.39 : 26,628.31 = 5,276.70 : x
  2. Step 2: Convert to fraction form
    17,758.39/26,628.31 = 5,276.70/x
  3. Step 3: Cross multiply
    17,758.39x = 26,628.31 × 5,276.70
  4. Step 4: Simplify right side
    17,758.39x = 140,509,603.38
  5. Step 5: Solve for x
    x = 140,509,603.38/17,758.39
  6. Step 6: Final answer
    x = 7,912.29

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1.5x scale

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.