Home / 27,511.59-41,270.11-9,982.78

Finding the Fourth Proportional to 27,511.59, 41,270.11 and 9,982.78

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Solution

The fourth proportional to 27,511.59, 41,270.11 and 9,982.78 is: 14,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.59 : 41,270.11 = 9,982.78 : x
  2. Step 2: Convert to fraction form
    27,511.59/41,270.11 = 9,982.78/x
  3. Step 3: Cross multiply
    27,511.59x = 41,270.11 × 9,982.78
  4. Step 4: Simplify right side
    27,511.59x = 411,990,428.71
  5. Step 5: Solve for x
    x = 411,990,428.71/27,511.59
  6. Step 6: Final answer
    x = 14,975.16

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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.