Home / 27,119.77-37,430.46-15,791.00

Finding the Fourth Proportional to 27,119.77, 37,430.46 and 15,791.00

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Solution

The fourth proportional to 27,119.77, 37,430.46 and 15,791.00 is: 21,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.77 : 37,430.46 = 15,791.00 : x
  2. Step 2: Convert to fraction form
    27,119.77/37,430.46 = 15,791.00/x
  3. Step 3: Cross multiply
    27,119.77x = 37,430.46 × 15,791.00
  4. Step 4: Simplify right side
    27,119.77x = 591,064,487.44
  5. Step 5: Solve for x
    x = 591,064,487.44/27,119.77
  6. Step 6: Final answer
    x = 21,794.60

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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.