Home / 27,795.99-38,358.78-15,049.45

Finding the Fourth Proportional to 27,795.99, 38,358.78 and 15,049.45

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Solution

The fourth proportional to 27,795.99, 38,358.78 and 15,049.45 is: 20,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.99 : 38,358.78 = 15,049.45 : x
  2. Step 2: Convert to fraction form
    27,795.99/38,358.78 = 15,049.45/x
  3. Step 3: Cross multiply
    27,795.99x = 38,358.78 × 15,049.45
  4. Step 4: Simplify right side
    27,795.99x = 577,278,541.67
  5. Step 5: Solve for x
    x = 577,278,541.67/27,795.99
  6. Step 6: Final answer
    x = 20,768.41

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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.