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Finding the Fourth Proportional to 27,265.49, 40,898.30 and 8,290.30

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Solution

The fourth proportional to 27,265.49, 40,898.30 and 8,290.30 is: 12,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.49 : 40,898.30 = 8,290.30 : x
  2. Step 2: Convert to fraction form
    27,265.49/40,898.30 = 8,290.30/x
  3. Step 3: Cross multiply
    27,265.49x = 40,898.30 × 8,290.30
  4. Step 4: Simplify right side
    27,265.49x = 339,059,176.49
  5. Step 5: Solve for x
    x = 339,059,176.49/27,265.49
  6. Step 6: Final answer
    x = 12,435.47

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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.