Home / 27,127.19-37,435.59-15,190.71

Finding the Fourth Proportional to 27,127.19, 37,435.59 and 15,190.71

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Solution

The fourth proportional to 27,127.19, 37,435.59 and 15,190.71 is: 20,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.19 : 37,435.59 = 15,190.71 : x
  2. Step 2: Convert to fraction form
    27,127.19/37,435.59 = 15,190.71/x
  3. Step 3: Cross multiply
    27,127.19x = 37,435.59 × 15,190.71
  4. Step 4: Simplify right side
    27,127.19x = 568,673,191.37
  5. Step 5: Solve for x
    x = 568,673,191.37/27,127.19
  6. Step 6: Final answer
    x = 20,963.22

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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.