Home / 21,685.24-32,537.09-9,207.95

Finding the Fourth Proportional to 21,685.24, 32,537.09 and 9,207.95

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Solution

The fourth proportional to 21,685.24, 32,537.09 and 9,207.95 is: 13,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685.24 : 32,537.09 = 9,207.95 : x
  2. Step 2: Convert to fraction form
    21,685.24/32,537.09 = 9,207.95/x
  3. Step 3: Cross multiply
    21,685.24x = 32,537.09 × 9,207.95
  4. Step 4: Simplify right side
    21,685.24x = 299,600,032.73
  5. Step 5: Solve for x
    x = 299,600,032.73/21,685.24
  6. Step 6: Final answer
    x = 13,815.85

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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.