Home / 27,412.20-41,129.10-10,769.40

Finding the Fourth Proportional to 27,412.20, 41,129.10 and 10,769.40

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Solution

The fourth proportional to 27,412.20, 41,129.10 and 10,769.40 is: 16,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.20 : 41,129.10 = 10,769.40 : x
  2. Step 2: Convert to fraction form
    27,412.20/41,129.10 = 10,769.40/x
  3. Step 3: Cross multiply
    27,412.20x = 41,129.10 × 10,769.40
  4. Step 4: Simplify right side
    27,412.20x = 442,935,729.54
  5. Step 5: Solve for x
    x = 442,935,729.54/27,412.20
  6. Step 6: Final answer
    x = 16,158.34

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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.