Home / 26,420.27-39,618.89-9,992.75

Finding the Fourth Proportional to 26,420.27, 39,618.89 and 9,992.75

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Solution

The fourth proportional to 26,420.27, 39,618.89 and 9,992.75 is: 14,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.27 : 39,618.89 = 9,992.75 : x
  2. Step 2: Convert to fraction form
    26,420.27/39,618.89 = 9,992.75/x
  3. Step 3: Cross multiply
    26,420.27x = 39,618.89 × 9,992.75
  4. Step 4: Simplify right side
    26,420.27x = 395,901,613.08
  5. Step 5: Solve for x
    x = 395,901,613.08/26,420.27
  6. Step 6: Final answer
    x = 14,984.77

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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.