Home / 19,179.92-26,475.72-14,989.52

Finding the Fourth Proportional to 19,179.92, 26,475.72 and 14,989.52

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Solution

The fourth proportional to 19,179.92, 26,475.72 and 14,989.52 is: 20,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.92 : 26,475.72 = 14,989.52 : x
  2. Step 2: Convert to fraction form
    19,179.92/26,475.72 = 14,989.52/x
  3. Step 3: Cross multiply
    19,179.92x = 26,475.72 × 14,989.52
  4. Step 4: Simplify right side
    19,179.92x = 396,858,334.45
  5. Step 5: Solve for x
    x = 396,858,334.45/19,179.92
  6. Step 6: Final answer
    x = 20,691.34

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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.