Home / 30,826.88-42,536.82-17,213.26

Finding the Fourth Proportional to 30,826.88, 42,536.82 and 17,213.26

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Solution

The fourth proportional to 30,826.88, 42,536.82 and 17,213.26 is: 23,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.88 : 42,536.82 = 17,213.26 : x
  2. Step 2: Convert to fraction form
    30,826.88/42,536.82 = 17,213.26/x
  3. Step 3: Cross multiply
    30,826.88x = 42,536.82 × 17,213.26
  4. Step 4: Simplify right side
    30,826.88x = 732,197,342.23
  5. Step 5: Solve for x
    x = 732,197,342.23/30,826.88
  6. Step 6: Final answer
    x = 23,751.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.