Home / 27,795.53-38,357.89-15,048.85

Finding the Fourth Proportional to 27,795.53, 38,357.89 and 15,048.85

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Solution

The fourth proportional to 27,795.53, 38,357.89 and 15,048.85 is: 20,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.53 : 38,357.89 = 15,048.85 : x
  2. Step 2: Convert to fraction form
    27,795.53/38,357.89 = 15,048.85/x
  3. Step 3: Cross multiply
    27,795.53x = 38,357.89 × 15,048.85
  4. Step 4: Simplify right side
    27,795.53x = 577,242,132.93
  5. Step 5: Solve for x
    x = 577,242,132.93/27,795.53
  6. Step 6: Final answer
    x = 20,767.44

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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.