Home / 18,140.73-27,001.43-17,732.49

Finding the Fourth Proportional to 18,140.73, 27,001.43 and 17,732.49

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Solution

The fourth proportional to 18,140.73, 27,001.43 and 17,732.49 is: 26,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.73 : 27,001.43 = 17,732.49 : x
  2. Step 2: Convert to fraction form
    18,140.73/27,001.43 = 17,732.49/x
  3. Step 3: Cross multiply
    18,140.73x = 27,001.43 × 17,732.49
  4. Step 4: Simplify right side
    18,140.73x = 478,802,498.80
  5. Step 5: Solve for x
    x = 478,802,498.80/18,140.73
  6. Step 6: Final answer
    x = 26,393.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.