Home / 27,239.28-37,576.09-18,289.90

Finding the Fourth Proportional to 27,239.28, 37,576.09 and 18,289.90

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Solution

The fourth proportional to 27,239.28, 37,576.09 and 18,289.90 is: 25,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.28 : 37,576.09 = 18,289.90 : x
  2. Step 2: Convert to fraction form
    27,239.28/37,576.09 = 18,289.90/x
  3. Step 3: Cross multiply
    27,239.28x = 37,576.09 × 18,289.90
  4. Step 4: Simplify right side
    27,239.28x = 687,262,649.16
  5. Step 5: Solve for x
    x = 687,262,649.16/27,239.28
  6. Step 6: Final answer
    x = 25,230.57

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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.