Home / 19,642.92-29,396.34-18,826.44

Finding the Fourth Proportional to 19,642.92, 29,396.34 and 18,826.44

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Solution

The fourth proportional to 19,642.92, 29,396.34 and 18,826.44 is: 28,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.92 : 29,396.34 = 18,826.44 : x
  2. Step 2: Convert to fraction form
    19,642.92/29,396.34 = 18,826.44/x
  3. Step 3: Cross multiply
    19,642.92x = 29,396.34 × 18,826.44
  4. Step 4: Simplify right side
    19,642.92x = 553,428,431.23
  5. Step 5: Solve for x
    x = 553,428,431.23/19,642.92
  6. Step 6: Final answer
    x = 28,174.45

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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.