Home / 27,182.42-40,720.58-18,728.98

Finding the Fourth Proportional to 27,182.42, 40,720.58 and 18,728.98

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Solution

The fourth proportional to 27,182.42, 40,720.58 and 18,728.98 is: 28,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,182.42 : 40,720.58 = 18,728.98 : x
  2. Step 2: Convert to fraction form
    27,182.42/40,720.58 = 18,728.98/x
  3. Step 3: Cross multiply
    27,182.42x = 40,720.58 × 18,728.98
  4. Step 4: Simplify right side
    27,182.42x = 762,654,928.41
  5. Step 5: Solve for x
    x = 762,654,928.41/27,182.42
  6. Step 6: Final answer
    x = 28,056.92

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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.