Home / 25,729.08-38,421.75-21,992.28

Finding the Fourth Proportional to 25,729.08, 38,421.75 and 21,992.28

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Solution

The fourth proportional to 25,729.08, 38,421.75 and 21,992.28 is: 32,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.08 : 38,421.75 = 21,992.28 : x
  2. Step 2: Convert to fraction form
    25,729.08/38,421.75 = 21,992.28/x
  3. Step 3: Cross multiply
    25,729.08x = 38,421.75 × 21,992.28
  4. Step 4: Simplify right side
    25,729.08x = 844,981,884.09
  5. Step 5: Solve for x
    x = 844,981,884.09/25,729.08
  6. Step 6: Final answer
    x = 32,841.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.