Home / 19,288.92-28,883.84-13,357.38

Finding the Fourth Proportional to 19,288.92, 28,883.84 and 13,357.38

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Solution

The fourth proportional to 19,288.92, 28,883.84 and 13,357.38 is: 20,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.92 : 28,883.84 = 13,357.38 : x
  2. Step 2: Convert to fraction form
    19,288.92/28,883.84 = 13,357.38/x
  3. Step 3: Cross multiply
    19,288.92x = 28,883.84 × 13,357.38
  4. Step 4: Simplify right side
    19,288.92x = 385,812,359.95
  5. Step 5: Solve for x
    x = 385,812,359.95/19,288.92
  6. Step 6: Final answer
    x = 20,001.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.