Home / 16,677.92-22,957.06-15,103.28

Finding the Fourth Proportional to 16,677.92, 22,957.06 and 15,103.28

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Solution

The fourth proportional to 16,677.92, 22,957.06 and 15,103.28 is: 20,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.92 : 22,957.06 = 15,103.28 : x
  2. Step 2: Convert to fraction form
    16,677.92/22,957.06 = 15,103.28/x
  3. Step 3: Cross multiply
    16,677.92x = 22,957.06 × 15,103.28
  4. Step 4: Simplify right side
    16,677.92x = 346,726,905.16
  5. Step 5: Solve for x
    x = 346,726,905.16/16,677.92
  6. Step 6: Final answer
    x = 20,789.58

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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.