Home / 27,539.10-38,010.87-15,609.56

Finding the Fourth Proportional to 27,539.10, 38,010.87 and 15,609.56

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Solution

The fourth proportional to 27,539.10, 38,010.87 and 15,609.56 is: 21,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.10 : 38,010.87 = 15,609.56 : x
  2. Step 2: Convert to fraction form
    27,539.10/38,010.87 = 15,609.56/x
  3. Step 3: Cross multiply
    27,539.10x = 38,010.87 × 15,609.56
  4. Step 4: Simplify right side
    27,539.10x = 593,332,765.86
  5. Step 5: Solve for x
    x = 593,332,765.86/27,539.10
  6. Step 6: Final answer
    x = 21,545.10

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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.