Home / 27,860.61-41,805.27-18,507.09

Finding the Fourth Proportional to 27,860.61, 41,805.27 and 18,507.09

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Solution

The fourth proportional to 27,860.61, 41,805.27 and 18,507.09 is: 27,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.61 : 41,805.27 = 18,507.09 : x
  2. Step 2: Convert to fraction form
    27,860.61/41,805.27 = 18,507.09/x
  3. Step 3: Cross multiply
    27,860.61x = 41,805.27 × 18,507.09
  4. Step 4: Simplify right side
    27,860.61x = 773,693,894.36
  5. Step 5: Solve for x
    x = 773,693,894.36/27,860.61
  6. Step 6: Final answer
    x = 27,770.17

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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.