Home / 27,328.30-40,992.46-21,097.42

Finding the Fourth Proportional to 27,328.30, 40,992.46 and 21,097.42

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Solution

The fourth proportional to 27,328.30, 40,992.46 and 21,097.42 is: 31,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.30 : 40,992.46 = 21,097.42 : x
  2. Step 2: Convert to fraction form
    27,328.30/40,992.46 = 21,097.42/x
  3. Step 3: Cross multiply
    27,328.30x = 40,992.46 × 21,097.42
  4. Step 4: Simplify right side
    27,328.30x = 864,834,990.23
  5. Step 5: Solve for x
    x = 864,834,990.23/27,328.30
  6. Step 6: Final answer
    x = 31,646.13

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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.