Home / 27,291.24-37,661.31-15,191.64

Finding the Fourth Proportional to 27,291.24, 37,661.31 and 15,191.64

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Solution

The fourth proportional to 27,291.24, 37,661.31 and 15,191.64 is: 20,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.24 : 37,661.31 = 15,191.64 : x
  2. Step 2: Convert to fraction form
    27,291.24/37,661.31 = 15,191.64/x
  3. Step 3: Cross multiply
    27,291.24x = 37,661.31 × 15,191.64
  4. Step 4: Simplify right side
    27,291.24x = 572,137,063.45
  5. Step 5: Solve for x
    x = 572,137,063.45/27,291.24
  6. Step 6: Final answer
    x = 20,964.13

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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.