Home / 23,207.40-34,776.54-13,331.88

Finding the Fourth Proportional to 23,207.40, 34,776.54 and 13,331.88

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Solution

The fourth proportional to 23,207.40, 34,776.54 and 13,331.88 is: 19,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,207.40 : 34,776.54 = 13,331.88 : x
  2. Step 2: Convert to fraction form
    23,207.40/34,776.54 = 13,331.88/x
  3. Step 3: Cross multiply
    23,207.40x = 34,776.54 × 13,331.88
  4. Step 4: Simplify right side
    23,207.40x = 463,636,658.10
  5. Step 5: Solve for x
    x = 463,636,658.10/23,207.40
  6. Step 6: Final answer
    x = 19,977.97

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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.