Home / 20,410.92-28,175.04-19,849.19

Finding the Fourth Proportional to 20,410.92, 28,175.04 and 19,849.19

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Solution

The fourth proportional to 20,410.92, 28,175.04 and 19,849.19 is: 27,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.92 : 28,175.04 = 19,849.19 : x
  2. Step 2: Convert to fraction form
    20,410.92/28,175.04 = 19,849.19/x
  3. Step 3: Cross multiply
    20,410.92x = 28,175.04 × 19,849.19
  4. Step 4: Simplify right side
    20,410.92x = 559,251,581.34
  5. Step 5: Solve for x
    x = 559,251,581.34/20,410.92
  6. Step 6: Final answer
    x = 27,399.63

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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.