Home / 17,906.40-26,857.44-4,759.76

Finding the Fourth Proportional to 17,906.40, 26,857.44 and 4,759.76

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Solution

The fourth proportional to 17,906.40, 26,857.44 and 4,759.76 is: 7,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.40 : 26,857.44 = 4,759.76 : x
  2. Step 2: Convert to fraction form
    17,906.40/26,857.44 = 4,759.76/x
  3. Step 3: Cross multiply
    17,906.40x = 26,857.44 × 4,759.76
  4. Step 4: Simplify right side
    17,906.40x = 127,835,035.76
  5. Step 5: Solve for x
    x = 127,835,035.76/17,906.40
  6. Step 6: Final answer
    x = 7,139.07

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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.