Home / 21,961.60-32,942.40-10,283.04

Finding the Fourth Proportional to 21,961.60, 32,942.40 and 10,283.04

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Solution

The fourth proportional to 21,961.60, 32,942.40 and 10,283.04 is: 15,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.60 : 32,942.40 = 10,283.04 : x
  2. Step 2: Convert to fraction form
    21,961.60/32,942.40 = 10,283.04/x
  3. Step 3: Cross multiply
    21,961.60x = 32,942.40 × 10,283.04
  4. Step 4: Simplify right side
    21,961.60x = 338,748,016.90
  5. Step 5: Solve for x
    x = 338,748,016.90/21,961.60
  6. Step 6: Final answer
    x = 15,424.56

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1.5x scale

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.