Home / 29,271.46-40,394.61-15,842.82

Finding the Fourth Proportional to 29,271.46, 40,394.61 and 15,842.82

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Solution

The fourth proportional to 29,271.46, 40,394.61 and 15,842.82 is: 21,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.46 : 40,394.61 = 15,842.82 : x
  2. Step 2: Convert to fraction form
    29,271.46/40,394.61 = 15,842.82/x
  3. Step 3: Cross multiply
    29,271.46x = 40,394.61 × 15,842.82
  4. Step 4: Simplify right side
    29,271.46x = 639,964,535.20
  5. Step 5: Solve for x
    x = 639,964,535.20/29,271.46
  6. Step 6: Final answer
    x = 21,863.09

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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.