Home / 17,920.77-26,881.26-5,440.82

Finding the Fourth Proportional to 17,920.77, 26,881.26 and 5,440.82

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Solution

The fourth proportional to 17,920.77, 26,881.26 and 5,440.82 is: 8,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.77 : 26,881.26 = 5,440.82 : x
  2. Step 2: Convert to fraction form
    17,920.77/26,881.26 = 5,440.82/x
  3. Step 3: Cross multiply
    17,920.77x = 26,881.26 × 5,440.82
  4. Step 4: Simplify right side
    17,920.77x = 146,256,097.03
  5. Step 5: Solve for x
    x = 146,256,097.03/17,920.77
  6. Step 6: Final answer
    x = 8,161.26

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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.