Home / 27,654.75-38,163.96-15,079.50

Finding the Fourth Proportional to 27,654.75, 38,163.96 and 15,079.50

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Solution

The fourth proportional to 27,654.75, 38,163.96 and 15,079.50 is: 20,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.75 : 38,163.96 = 15,079.50 : x
  2. Step 2: Convert to fraction form
    27,654.75/38,163.96 = 15,079.50/x
  3. Step 3: Cross multiply
    27,654.75x = 38,163.96 × 15,079.50
  4. Step 4: Simplify right side
    27,654.75x = 575,493,434.82
  5. Step 5: Solve for x
    x = 575,493,434.82/27,654.75
  6. Step 6: Final answer
    x = 20,809.93

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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.