Home / 27,945.05-38,561.21-17,190.48

Finding the Fourth Proportional to 27,945.05, 38,561.21 and 17,190.48

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Solution

The fourth proportional to 27,945.05, 38,561.21 and 17,190.48 is: 23,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.05 : 38,561.21 = 17,190.48 : x
  2. Step 2: Convert to fraction form
    27,945.05/38,561.21 = 17,190.48/x
  3. Step 3: Cross multiply
    27,945.05x = 38,561.21 × 17,190.48
  4. Step 4: Simplify right side
    27,945.05x = 662,885,712.19
  5. Step 5: Solve for x
    x = 662,885,712.19/27,945.05
  6. Step 6: Final answer
    x = 23,721.04

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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.