Home / 21,922.64-32,885.72-6,340.56

Finding the Fourth Proportional to 21,922.64, 32,885.72 and 6,340.56

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Solution

The fourth proportional to 21,922.64, 32,885.72 and 6,340.56 is: 9,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.64 : 32,885.72 = 6,340.56 : x
  2. Step 2: Convert to fraction form
    21,922.64/32,885.72 = 6,340.56/x
  3. Step 3: Cross multiply
    21,922.64x = 32,885.72 × 6,340.56
  4. Step 4: Simplify right side
    21,922.64x = 208,513,880.80
  5. Step 5: Solve for x
    x = 208,513,880.80/21,922.64
  6. Step 6: Final answer
    x = 9,511.35

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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.