Home / 27,395.28-37,749.72-18,900

Finding the Fourth Proportional to 27,395.28, 37,749.72 and 18,900

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Solution

The fourth proportional to 27,395.28, 37,749.72 and 18,900 is: 26,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,395.28 : 37,749.72 = 18,900 : x
  2. Step 2: Convert to fraction form
    27,395.28/37,749.72 = 18,900/x
  3. Step 3: Cross multiply
    27,395.28x = 37,749.72 × 18,900
  4. Step 4: Simplify right side
    27,395.28x = 713,469,708
  5. Step 5: Solve for x
    x = 713,469,708/27,395.28
  6. Step 6: Final answer
    x = 26,043.53

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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.