Home / 27,028.80-40,567.20-15,921.60

Finding the Fourth Proportional to 27,028.80, 40,567.20 and 15,921.60

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Solution

The fourth proportional to 27,028.80, 40,567.20 and 15,921.60 is: 23,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.80 : 40,567.20 = 15,921.60 : x
  2. Step 2: Convert to fraction form
    27,028.80/40,567.20 = 15,921.60/x
  3. Step 3: Cross multiply
    27,028.80x = 40,567.20 × 15,921.60
  4. Step 4: Simplify right side
    27,028.80x = 645,894,731.52
  5. Step 5: Solve for x
    x = 645,894,731.52/27,028.80
  6. Step 6: Final answer
    x = 23,896.54

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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.