Home / 27,128.01-37,436.24-15,191.79

Finding the Fourth Proportional to 27,128.01, 37,436.24 and 15,191.79

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Solution

The fourth proportional to 27,128.01, 37,436.24 and 15,191.79 is: 20,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.01 : 37,436.24 = 15,191.79 : x
  2. Step 2: Convert to fraction form
    27,128.01/37,436.24 = 15,191.79/x
  3. Step 3: Cross multiply
    27,128.01x = 37,436.24 × 15,191.79
  4. Step 4: Simplify right side
    27,128.01x = 568,723,420.51
  5. Step 5: Solve for x
    x = 568,723,420.51/27,128.01
  6. Step 6: Final answer
    x = 20,964.44

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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.