Home / 25,784.21-38,610.68-16,992.47

Finding the Fourth Proportional to 25,784.21, 38,610.68 and 16,992.47

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Solution

The fourth proportional to 25,784.21, 38,610.68 and 16,992.47 is: 25,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.21 : 38,610.68 = 16,992.47 : x
  2. Step 2: Convert to fraction form
    25,784.21/38,610.68 = 16,992.47/x
  3. Step 3: Cross multiply
    25,784.21x = 38,610.68 × 16,992.47
  4. Step 4: Simplify right side
    25,784.21x = 656,090,833.14
  5. Step 5: Solve for x
    x = 656,090,833.14/25,784.21
  6. Step 6: Final answer
    x = 25,445.45

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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.