Home / 27,310.55-40,965.80-15,615.56

Finding the Fourth Proportional to 27,310.55, 40,965.80 and 15,615.56

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Solution

The fourth proportional to 27,310.55, 40,965.80 and 15,615.56 is: 23,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.55 : 40,965.80 = 15,615.56 : x
  2. Step 2: Convert to fraction form
    27,310.55/40,965.80 = 15,615.56/x
  3. Step 3: Cross multiply
    27,310.55x = 40,965.80 × 15,615.56
  4. Step 4: Simplify right side
    27,310.55x = 639,703,624.94
  5. Step 5: Solve for x
    x = 639,703,624.94/27,310.55
  6. Step 6: Final answer
    x = 23,423.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.