Home / 19,826.28-29,739.47-6,687.87

Finding the Fourth Proportional to 19,826.28, 29,739.47 and 6,687.87

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Solution

The fourth proportional to 19,826.28, 29,739.47 and 6,687.87 is: 10,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.28 : 29,739.47 = 6,687.87 : x
  2. Step 2: Convert to fraction form
    19,826.28/29,739.47 = 6,687.87/x
  3. Step 3: Cross multiply
    19,826.28x = 29,739.47 × 6,687.87
  4. Step 4: Simplify right side
    19,826.28x = 198,893,709.23
  5. Step 5: Solve for x
    x = 198,893,709.23/19,826.28
  6. Step 6: Final answer
    x = 10,031.82

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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.