Home / 27,717.05-38,237.86-18,273.53

Finding the Fourth Proportional to 27,717.05, 38,237.86 and 18,273.53

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Solution

The fourth proportional to 27,717.05, 38,237.86 and 18,273.53 is: 25,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.05 : 38,237.86 = 18,273.53 : x
  2. Step 2: Convert to fraction form
    27,717.05/38,237.86 = 18,273.53/x
  3. Step 3: Cross multiply
    27,717.05x = 38,237.86 × 18,273.53
  4. Step 4: Simplify right side
    27,717.05x = 698,740,681.85
  5. Step 5: Solve for x
    x = 698,740,681.85/27,717.05
  6. Step 6: Final answer
    x = 25,209.78

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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.