Home / 18,035.30-27,058.40-8,672.66

Finding the Fourth Proportional to 18,035.30, 27,058.40 and 8,672.66

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Solution

The fourth proportional to 18,035.30, 27,058.40 and 8,672.66 is: 13,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.30 : 27,058.40 = 8,672.66 : x
  2. Step 2: Convert to fraction form
    18,035.30/27,058.40 = 8,672.66/x
  3. Step 3: Cross multiply
    18,035.30x = 27,058.40 × 8,672.66
  4. Step 4: Simplify right side
    18,035.30x = 234,668,124.69
  5. Step 5: Solve for x
    x = 234,668,124.69/18,035.30
  6. Step 6: Final answer
    x = 13,011.60

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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.