Home / 27,281.54-40,919.56-8,561.72

Finding the Fourth Proportional to 27,281.54, 40,919.56 and 8,561.72

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Solution

The fourth proportional to 27,281.54, 40,919.56 and 8,561.72 is: 12,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.54 : 40,919.56 = 8,561.72 : x
  2. Step 2: Convert to fraction form
    27,281.54/40,919.56 = 8,561.72/x
  3. Step 3: Cross multiply
    27,281.54x = 40,919.56 × 8,561.72
  4. Step 4: Simplify right side
    27,281.54x = 350,341,896.14
  5. Step 5: Solve for x
    x = 350,341,896.14/27,281.54
  6. Step 6: Final answer
    x = 12,841.72

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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.