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Finding the Fourth Proportional to 27,302.79, 40,964.19 and 11,511.79

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Solution

The fourth proportional to 27,302.79, 40,964.19 and 11,511.79 is: 17,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,302.79 : 40,964.19 = 11,511.79 : x
  2. Step 2: Convert to fraction form
    27,302.79/40,964.19 = 11,511.79/x
  3. Step 3: Cross multiply
    27,302.79x = 40,964.19 × 11,511.79
  4. Step 4: Simplify right side
    27,302.79x = 471,571,152.80
  5. Step 5: Solve for x
    x = 471,571,152.80/27,302.79
  6. Step 6: Final answer
    x = 17,271.90

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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.