Home / 21,482.43-32,219.28-9,792.87

Finding the Fourth Proportional to 21,482.43, 32,219.28 and 9,792.87

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Solution

The fourth proportional to 21,482.43, 32,219.28 and 9,792.87 is: 14,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.43 : 32,219.28 = 9,792.87 : x
  2. Step 2: Convert to fraction form
    21,482.43/32,219.28 = 9,792.87/x
  3. Step 3: Cross multiply
    21,482.43x = 32,219.28 × 9,792.87
  4. Step 4: Simplify right side
    21,482.43x = 315,519,220.53
  5. Step 5: Solve for x
    x = 315,519,220.53/21,482.43
  6. Step 6: Final answer
    x = 14,687.32

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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.