Home / 28,567.72-39,419.75-15,992.48

Finding the Fourth Proportional to 28,567.72, 39,419.75 and 15,992.48

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Solution

The fourth proportional to 28,567.72, 39,419.75 and 15,992.48 is: 22,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.72 : 39,419.75 = 15,992.48 : x
  2. Step 2: Convert to fraction form
    28,567.72/39,419.75 = 15,992.48/x
  3. Step 3: Cross multiply
    28,567.72x = 39,419.75 × 15,992.48
  4. Step 4: Simplify right side
    28,567.72x = 630,419,563.48
  5. Step 5: Solve for x
    x = 630,419,563.48/28,567.72
  6. Step 6: Final answer
    x = 22,067.55

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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.