Home / 19,703.36-27,200.68-15,217.04

Finding the Fourth Proportional to 19,703.36, 27,200.68 and 15,217.04

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Solution

The fourth proportional to 19,703.36, 27,200.68 and 15,217.04 is: 21,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.36 : 27,200.68 = 15,217.04 : x
  2. Step 2: Convert to fraction form
    19,703.36/27,200.68 = 15,217.04/x
  3. Step 3: Cross multiply
    19,703.36x = 27,200.68 × 15,217.04
  4. Step 4: Simplify right side
    19,703.36x = 413,913,835.59
  5. Step 5: Solve for x
    x = 413,913,835.59/19,703.36
  6. Step 6: Final answer
    x = 21,007.27

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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.