Home / 17,759.54-26,639.30-5,279.51

Finding the Fourth Proportional to 17,759.54, 26,639.30 and 5,279.51

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Solution

The fourth proportional to 17,759.54, 26,639.30 and 5,279.51 is: 7,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.54 : 26,639.30 = 5,279.51 : x
  2. Step 2: Convert to fraction form
    17,759.54/26,639.30 = 5,279.51/x
  3. Step 3: Cross multiply
    17,759.54x = 26,639.30 × 5,279.51
  4. Step 4: Simplify right side
    17,759.54x = 140,642,291.15
  5. Step 5: Solve for x
    x = 140,642,291.15/17,759.54
  6. Step 6: Final answer
    x = 7,919.26

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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.