Home / 21,962.31-32,949.61-8,823.90

Finding the Fourth Proportional to 21,962.31, 32,949.61 and 8,823.90

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Solution

The fourth proportional to 21,962.31, 32,949.61 and 8,823.90 is: 13,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.31 : 32,949.61 = 8,823.90 : x
  2. Step 2: Convert to fraction form
    21,962.31/32,949.61 = 8,823.90/x
  3. Step 3: Cross multiply
    21,962.31x = 32,949.61 × 8,823.90
  4. Step 4: Simplify right side
    21,962.31x = 290,744,214.81
  5. Step 5: Solve for x
    x = 290,744,214.81/21,962.31
  6. Step 6: Final answer
    x = 13,238.33

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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.