Home / 20,247.08-27,941.12-12,284

Finding the Fourth Proportional to 20,247.08, 27,941.12 and 12,284

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Solution

The fourth proportional to 20,247.08, 27,941.12 and 12,284 is: 16,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.08 : 27,941.12 = 12,284 : x
  2. Step 2: Convert to fraction form
    20,247.08/27,941.12 = 12,284/x
  3. Step 3: Cross multiply
    20,247.08x = 27,941.12 × 12,284
  4. Step 4: Simplify right side
    20,247.08x = 343,228,718.08
  5. Step 5: Solve for x
    x = 343,228,718.08/20,247.08
  6. Step 6: Final answer
    x = 16,952.01

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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.