Home / 20,160.12-27,834.54-18,029.04

Finding the Fourth Proportional to 20,160.12, 27,834.54 and 18,029.04

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Solution

The fourth proportional to 20,160.12, 27,834.54 and 18,029.04 is: 24,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.12 : 27,834.54 = 18,029.04 : x
  2. Step 2: Convert to fraction form
    20,160.12/27,834.54 = 18,029.04/x
  3. Step 3: Cross multiply
    20,160.12x = 27,834.54 × 18,029.04
  4. Step 4: Simplify right side
    20,160.12x = 501,830,035.04
  5. Step 5: Solve for x
    x = 501,830,035.04/20,160.12
  6. Step 6: Final answer
    x = 24,892.21

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1.5x scale

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.