Home / 27,771.68-38,324.81-15,024.89

Finding the Fourth Proportional to 27,771.68, 38,324.81 and 15,024.89

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Solution

The fourth proportional to 27,771.68, 38,324.81 and 15,024.89 is: 20,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.68 : 38,324.81 = 15,024.89 : x
  2. Step 2: Convert to fraction form
    27,771.68/38,324.81 = 15,024.89/x
  3. Step 3: Cross multiply
    27,771.68x = 38,324.81 × 15,024.89
  4. Step 4: Simplify right side
    27,771.68x = 575,826,187.90
  5. Step 5: Solve for x
    x = 575,826,187.90/27,771.68
  6. Step 6: Final answer
    x = 20,734.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.