Home / 19,631.03-29,425.41-14,281.38

Finding the Fourth Proportional to 19,631.03, 29,425.41 and 14,281.38

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Solution

The fourth proportional to 19,631.03, 29,425.41 and 14,281.38 is: 21,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.03 : 29,425.41 = 14,281.38 : x
  2. Step 2: Convert to fraction form
    19,631.03/29,425.41 = 14,281.38/x
  3. Step 3: Cross multiply
    19,631.03x = 29,425.41 × 14,281.38
  4. Step 4: Simplify right side
    19,631.03x = 420,235,461.87
  5. Step 5: Solve for x
    x = 420,235,461.87/19,631.03
  6. Step 6: Final answer
    x = 21,406.70

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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.