Home / 27,883.10-41,769.14-20,402.42

Finding the Fourth Proportional to 27,883.10, 41,769.14 and 20,402.42

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Solution

The fourth proportional to 27,883.10, 41,769.14 and 20,402.42 is: 30,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.10 : 41,769.14 = 20,402.42 : x
  2. Step 2: Convert to fraction form
    27,883.10/41,769.14 = 20,402.42/x
  3. Step 3: Cross multiply
    27,883.10x = 41,769.14 × 20,402.42
  4. Step 4: Simplify right side
    27,883.10x = 852,191,226.46
  5. Step 5: Solve for x
    x = 852,191,226.46/27,883.10
  6. Step 6: Final answer
    x = 30,563.00

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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.