Home / 31,427.01-43,370.01-17,087.66

Finding the Fourth Proportional to 31,427.01, 43,370.01 and 17,087.66

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Solution

The fourth proportional to 31,427.01, 43,370.01 and 17,087.66 is: 23,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.01 : 43,370.01 = 17,087.66 : x
  2. Step 2: Convert to fraction form
    31,427.01/43,370.01 = 17,087.66/x
  3. Step 3: Cross multiply
    31,427.01x = 43,370.01 × 17,087.66
  4. Step 4: Simplify right side
    31,427.01x = 741,091,768.23
  5. Step 5: Solve for x
    x = 741,091,768.23/31,427.01
  6. Step 6: Final answer
    x = 23,581.36

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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.