Home / 19,631.30-29,405.84-15,451.50

Finding the Fourth Proportional to 19,631.30, 29,405.84 and 15,451.50

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Solution

The fourth proportional to 19,631.30, 29,405.84 and 15,451.50 is: 23,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.30 : 29,405.84 = 15,451.50 : x
  2. Step 2: Convert to fraction form
    19,631.30/29,405.84 = 15,451.50/x
  3. Step 3: Cross multiply
    19,631.30x = 29,405.84 × 15,451.50
  4. Step 4: Simplify right side
    19,631.30x = 454,364,336.76
  5. Step 5: Solve for x
    x = 454,364,336.76/19,631.30
  6. Step 6: Final answer
    x = 23,144.89

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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.