Home / 27,610.61-38,102.83-15,674.15

Finding the Fourth Proportional to 27,610.61, 38,102.83 and 15,674.15

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Solution

The fourth proportional to 27,610.61, 38,102.83 and 15,674.15 is: 21,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.61 : 38,102.83 = 15,674.15 : x
  2. Step 2: Convert to fraction form
    27,610.61/38,102.83 = 15,674.15/x
  3. Step 3: Cross multiply
    27,610.61x = 38,102.83 × 15,674.15
  4. Step 4: Simplify right side
    27,610.61x = 597,229,528.92
  5. Step 5: Solve for x
    x = 597,229,528.92/27,610.61
  6. Step 6: Final answer
    x = 21,630.43

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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.