Home / 27,282.78-40,925.91-8,563.56

Finding the Fourth Proportional to 27,282.78, 40,925.91 and 8,563.56

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Solution

The fourth proportional to 27,282.78, 40,925.91 and 8,563.56 is: 12,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.78 : 40,925.91 = 8,563.56 : x
  2. Step 2: Convert to fraction form
    27,282.78/40,925.91 = 8,563.56/x
  3. Step 3: Cross multiply
    27,282.78x = 40,925.91 × 8,563.56
  4. Step 4: Simplify right side
    27,282.78x = 350,471,485.84
  5. Step 5: Solve for x
    x = 350,471,485.84/27,282.78
  6. Step 6: Final answer
    x = 12,845.89

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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.