Home / 27,732.54-38,270.90-15,157.29

Finding the Fourth Proportional to 27,732.54, 38,270.90 and 15,157.29

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Solution

The fourth proportional to 27,732.54, 38,270.90 and 15,157.29 is: 20,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.54 : 38,270.90 = 15,157.29 : x
  2. Step 2: Convert to fraction form
    27,732.54/38,270.90 = 15,157.29/x
  3. Step 3: Cross multiply
    27,732.54x = 38,270.90 × 15,157.29
  4. Step 4: Simplify right side
    27,732.54x = 580,083,129.86
  5. Step 5: Solve for x
    x = 580,083,129.86/27,732.54
  6. Step 6: Final answer
    x = 20,917.06

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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.