Home / 21,334.40-32,017.60-10,940.80

Finding the Fourth Proportional to 21,334.40, 32,017.60 and 10,940.80

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Solution

The fourth proportional to 21,334.40, 32,017.60 and 10,940.80 is: 16,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.40 : 32,017.60 = 10,940.80 : x
  2. Step 2: Convert to fraction form
    21,334.40/32,017.60 = 10,940.80/x
  3. Step 3: Cross multiply
    21,334.40x = 32,017.60 × 10,940.80
  4. Step 4: Simplify right side
    21,334.40x = 350,298,158.08
  5. Step 5: Solve for x
    x = 350,298,158.08/21,334.40
  6. Step 6: Final answer
    x = 16,419.41

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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.