Home / 27,324.72-40,986.90-15,629.64

Finding the Fourth Proportional to 27,324.72, 40,986.90 and 15,629.64

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Solution

The fourth proportional to 27,324.72, 40,986.90 and 15,629.64 is: 23,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.72 : 40,986.90 = 15,629.64 : x
  2. Step 2: Convert to fraction form
    27,324.72/40,986.90 = 15,629.64/x
  3. Step 3: Cross multiply
    27,324.72x = 40,986.90 × 15,629.64
  4. Step 4: Simplify right side
    27,324.72x = 640,610,491.72
  5. Step 5: Solve for x
    x = 640,610,491.72/27,324.72
  6. Step 6: Final answer
    x = 23,444.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.