Home / 28,964.49-43,446.20-19,455.09

Finding the Fourth Proportional to 28,964.49, 43,446.20 and 19,455.09

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Solution

The fourth proportional to 28,964.49, 43,446.20 and 19,455.09 is: 29,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.49 : 43,446.20 = 19,455.09 : x
  2. Step 2: Convert to fraction form
    28,964.49/43,446.20 = 19,455.09/x
  3. Step 3: Cross multiply
    28,964.49x = 43,446.20 × 19,455.09
  4. Step 4: Simplify right side
    28,964.49x = 845,249,633.88
  5. Step 5: Solve for x
    x = 845,249,633.88/28,964.49
  6. Step 6: Final answer
    x = 29,182.27

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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.