Home / 27,114.93-37,418.76-15,791.01

Finding the Fourth Proportional to 27,114.93, 37,418.76 and 15,791.01

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Solution

The fourth proportional to 27,114.93, 37,418.76 and 15,791.01 is: 21,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.93 : 37,418.76 = 15,791.01 : x
  2. Step 2: Convert to fraction form
    27,114.93/37,418.76 = 15,791.01/x
  3. Step 3: Cross multiply
    27,114.93x = 37,418.76 × 15,791.01
  4. Step 4: Simplify right side
    27,114.93x = 590,880,013.35
  5. Step 5: Solve for x
    x = 590,880,013.35/27,114.93
  6. Step 6: Final answer
    x = 21,791.68

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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.